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SOC 33-2021
Inspect buildings to detect fire hazards and enforce local ordinances and state laws, or investigate and gather facts to determine the cause of fires and explosions: includes conducting premises inspections and hazard determinations under fire codes, testing and acceptance-testing fire protection and detection systems, checking premises where hazardous materials are stored or used and issuing permits, examining fire and explosion scenes and collecting physical evidence for laboratory submission, writing inspection and investigation conclusion reports, and carrying out public fire education and evacuation drills.
Model impact index for three equally weighted representative core tasks; not a measured share of working time or a job-loss probability. floor((25+0+50)/3+0.5)=25; fermatmind-ai-impact-v1; 2026-10-18.
First judge whether you are willing to make code verification and site work a long-term career: it requires memorizing and continually updating fire codes, inspecting and recording according to procedure, conducting investigation and evidence collection at fire and explosion scenes, and bearing enforcement boundaries and testimony responsibilities; validate with the paper exercise and seven-day task on this page.
This card is a career exploration reference and does not constitute hiring, ability scoring, legal, or safety conclusions.
Signals worth considering more: willingness to check code items one by one and keep written records, ability to communicate rectification requirements with owners and the public on site, and willingness to keep learning code updates and to bear evidence collection and testimony responsibilities. Signals requiring caution: unwillingness to handle paperwork and code clauses, avoidance of conflict communication with owners, and treating a single inspection conclusion or one investigation result as a judgment about the entire occupation.
Occupational boundaries: This page is written according to the U.S. O*NET-SOC 33-2021.00 “Fire Inspectors and Investigators” and refers to practitioners who conduct premises inspection, system testing, hazardous materials permitting, and investigation of fire and explosion causes under fire codes; it does not include firefighters focused on firefighting, rescue, and emergency response; fire protection engineers whose main business is fire protection systems and building fire protection design; building and construction inspectors focused on building structure and construction quality inspection; police and patrol officers focused on public order and criminal enforcement; commissioned investigators without fire enforcement authority; or compliance specialists focused on internal institutional compliance review; it does not provide legal, testing, or safe-operating advice.
Career direction comparison
The following occupations sit in the same fire, safety, and enforcement chain, but their responsibilities land in different places; use them to help locate a direction, not as substitutes for one another.
| Career direction | Core work and output | Key differences | Best-fit choice |
|---|---|---|---|
| Firefighters | Fight fires, carry out rescue, and handle hazardous materials incidents | Focuses on firefighting, rescue, and emergency response; this occupation focuses on code inspection, hazard determination, and fire cause investigation | If you prefer on-scene firefighting and rescue, choose the firefighter direction; if you prefer code verification and accident investigation, choose this occupation |
| Emergency Management Directors | Develop emergency plans, coordinate rescue resources, and organize post-disaster recovery |
AI impact on this career
Code searching, report drafting, and photo archiving assistance can be trialed; on-site determinations, evidence, and decision authority must be verified according to the actual agency and jurisdiction, and actual adoption or efficiency effects have not been verified. AI Impact Score 25% is an editorial estimate. Model impact index for three equally weighted representative core tasks; not a measured share of working time or a job-loss probability. floor((25+0+50)/3+0.5)=25; fermatmind-ai-impact-v1; 2026-10-18.The three tasks, ratings and sources are listed in the FermatMind method source record on this page.
FermatMind AI Impact Score estimation method v1
FermatMind / 费马测试 · 2026-10-18
Editorial ratings use the existing occupational responsibilities and AI task analysis on this page. They are not adoption rates, measured effects, job-disappearance or personal-unemployment probabilities, or official scores from Stanford or another external institution. No measured time weights or future robot deployment are assumed.
Chinese mainland salary reference
Fire inspection and investigation work in mainland China is mostly found in fire and rescue agencies and emergency management departments, housing and urban-rural development authorities, fire technical service organizations (fire facility testing, maintenance, and evaluation), safety management positions in large enterprises and industrial parks, and the fire acceptance stage of construction projects; it must be carried out according to local fire, safety, and enforcement regulations, and occupational qualification and enforcement authorization requirements are determined by region and do not map one-to-one onto the U.S. occupational classification.
National, industry, and job category average wages cover multiple occupations; total wages, by statistical definition, include bonuses, allowances and subsidies, and overtime pay, and cannot be treated as the income distribution of this occupation.
The materials checked did not yield a national monthly or annual wage distribution for the exact occupation; the averages for public administration, technical services, construction, national urban units, and job categories can only serve as background and cannot be directly converted into personal income.
U.S. salary reference
As of 2026-10-11, current O*NET exact 33-2021.00: 14,700 employed in 2025, average growth of 3% to 4% for 2025—2035, and 1,600 average annual openings; 2025 wages of $36.50 per hour and $75,920 per year. The original 2024—2034 historical card showed an annual average of 1,500, and the periods must not be mixed. Current OOH industry median wages for the exact occupation: finance and insurance 79,260, local government 77,380, state government 71,820, and educational services 70,190 USD / year (May2025, government entries exclude education and hospitals). The old industry card retains a historical gap because of shared facts, which does not mean the official figure is unpublished.
| Wage statistics position | Annual wage reference | Conversion boundaries | How to understand this position |
|---|---|---|---|
| Lowest 10% | Below 46,530 USD / year (10th percentile, May 2025 OEWS, exact occupation 33-2021, presented via O*NET) | Official annual wage, not personal monthly income | Low end: the 10th percentile is below 46,530 USD / year, at the low end of the distribution, and is not a starting salary. |
Career fit guide
No. Interest and personality tests describe preferences only and do not predict whether one can obtain qualifications, bear enforcement responsibility, or perform in casework. They can help you judge whether you like on-site inspection, code verification, and investigation and evidence collection, but suitability must be verified through performance in real position training and work records.
You may be better suited to： Code and procedure ability: whether one can accurately apply code clauses over the long term and record as required is the core of judging fit.
These situations require caution： Field and communication: inspection and investigation depend on communication with owners, the public, and involved parties, and avoiding communication limits progress.
Do an entry exercise： Qualifications and hiring conditions: public sector positions usually have qualification, medical, background check, and duty requirements, which must be checked in advance.
Work pressure, risks, and occupational boundaries
The main risks center on safety and health exposure in on-site work, inconsistency in inspection criteria and enforcement thresholds, non-compliant evidence chains and evidence collection procedures, leakage of sensitive premises and case file information, acting beyond authority or procedural defects in enforcement and permitting, and incomplete records and testimony; most can be reduced through code compliance, procedural documentation, confirming authority, and truthful reporting, but they cannot be completely eliminated.
O*NET tasks and the OOH environment support the occupational risk background; specific enforcement, evidentiary effect, information rules, and medical causality were not verified item by item against jurisdictional source texts this round. The following are editorial check prompts, and NIST is not used as a substitute for an enforcement basis.
Typical scenario：Entering damaged buildings or residue areas without protection
Roles most affected：Investigators entering damaged buildings or fire scenes
Entry, qualifications, and career development
O*NET lists this occupation as Job Zone Three (requiring medium preparation, SVP 6.0 to <7.0); the occupation is not marked as Bright Outlook. The O*NET summary page lists the leading items for the education level required of new employees: postsecondary certificate 27%, some college no degree 26%, and high school diploma or equivalent 23% (evidence gap: the remaining education categories are not listed on the summary page, and this page does not merge them into a complete distribution). BLS indicates that this occupation usually requires a high school diploma or equivalent and work experience as a firefighter or in a related occupation, with on-the-job training after hire, and a certificate may also be required.
Career outlook and related career transfers
As of 2026-10-11, current O*NET exact 33-2021.00: 14,700 employed in 2025, average growth of 3% to 4% for 2025—2035, and 1,600 average annual openings; 2025 wages of $36.50 per hour and $75,920 per year. The original 2024—2034 historical card showed an annual average of 1,500, and the periods must not be mixed. The OOH group projection is listed separately and does not substitute for the exact occupation. The national and industry wages checked in China are background only, and no income distribution for the exact occupation was obtained.
United States · Fire Inspectors and Investigators（33-2021.00）
Average (3% to 4%)
Employment change
Employment is projected to grow at an average rate, and job openings come mainly from replacement needs; changes in fire supervision investment and the stock of buildings and premises are outside this statistical definition
This page is written according to the U.S. O*NET-SOC 33-2021.00 “Fire Inspectors and Investigators” (the fixed index assigns this asset the Chinese occupational name for this occupation): inspect buildings to detect fire hazards and enforce local ordinances and state laws, or investigate and gather facts to determine the cause of fires and explosions. Specifically this includes: reviewing building drawings and verifying the applicable fire codes; patrolling buildings and premises according to checklists and verifying fire exits, electrical wiring, combustible material storage, and fire protection systems; performing testing and acceptance testing of alarm, sprinkler, and detection systems; verifying premises where hazardous materials are stored and used and issuing permits; writing inspection reports, violation records, and rectification recommendations and following up with re-inspections; when a fire or explosion occurs, examining the scene, collecting and sealing physical evidence, submitting samples for testing, and analyzing causes together with tests and interviews; testifying in court as needed; and carrying out public fire education, evacuation drills, and special governance campaigns while continually updating code knowledge.
Choose a real task from this page for a small practice project or a conversation with someone in the field. Use the planning guides to set a date, an output and feedback questions before deciding whether to continue.
This checklist is for self-questioning only and does not constitute hiring criteria, ability scores, or talent conclusions. This page is written according to the U.S. O*NET-SOC 33-2021.00 “Fire Inspectors and Investigators” (the fixed index assigns this asset the Chinese occupational name for this occupation, and the body text follows that official occupational scope). Even within fire inspection and investigation, the differences are large: fire code inspection and hazard determination for buildings and premises, testing and acceptance testing of fire protection and alarm systems, verification of hazardous materials premises and permit issuance, scene examination, evidence collection, and cause analysis for fires and explosions, arson cases and courtroom testimony, and public fire education and special governance campaigns. Before comparing positions or development paths, first check: the fire service or law enforcement background and years of experience required for the role, whether local or state-level inspector or investigator qualifications and certificates are required, whether the role carries inspection enforcement and permit issuance authority, the legal effect of investigation conclusions and the duty to testify, and the safety and personal protective requirements for site work.
Validate with one paper exercise: you are given a completely fictitious premises fire inspection assignment (premises type and use, building drawings and fire exit layout, list of fire protection and alarm systems, hazardous materials storage conditions, applicable fire code clauses, rectification deadlines and re-inspection arrangements). You are asked to write out the inspection items and the basis for each determination, the problems found and the rectification recommendations, the systems that require on-site testing and the testing methods, and which conclusions must be confirmed by the competent department or authorized personnel; mark which determinations require permits or enforcement authority to make.
Fire inspection and investigation work revolves around the cycle of “code verification—site inspection—rectification and permits—investigation and evidence collection—conclusions and reports”: first confirm the applicable regulations and technical standards and review building drawings and premises records; then conduct on-site inspections of buildings and premises according to checklists, verifying fire exits, electrical wiring, combustible material storage, and fire protection systems, and where necessary performing testing and acceptance testing of alarm, sprinkler, and detection systems; propose rectification recommendations for premises where hazards are found, follow up with re-inspections, and verify hazardous materials premises before issuing permits; when a fire or explosion occurs, examine the scene, collect and seal physical evidence, submit samples for testing, and analyze possible causes together with tests and interviews; then write inspection reports and investigation conclusions, testifying in court when necessary; at the same time carry out public fire education, evacuation drills, and special governance campaigns, continually updating code knowledge. The emphasis differs greatly by direction: premises inspection stresses inspection coverage and closed-loop rectification, fire system testing stresses test procedures and pass or fail determinations, hazardous materials permitting stresses condition verification and signing of responsibility, and fire investigation stresses the evidence chain and cause determination.
Centered on fire code inspection and fire investigation
Inspection records and rectification tracking records, investigation conclusions and evidence chain records, permit and approval records, and testing and inspection records
Occupations in fire inspection and investigation are often conflated; the way to distinguish them is to look at authority and outputs: this occupation conducts premises inspection, system testing, permit issuance, and investigation of fire and explosion causes under fire codes, and may testify in court; firefighters focus mainly on firefighting, rescue, and emergency response; fire protection engineers focus mainly on technical solutions for fire protection systems and building fire protection design; building and construction inspectors focus mainly on building structure, construction quality, and general code inspection; police and patrol officers focus mainly on public order maintenance and criminal enforcement; private detectives and investigators conduct civil and commercial investigations on commission and do not hold fire enforcement authority; and compliance specialists focus mainly on internal institutional compliance review and process oversight.
| Dimension | Primary track | Comparison track |
|---|---|---|
| Core purpose | Inspect buildings to detect fire hazards and enforce local ordinances and state laws, or investigate and gather facts to determine the cause of fires and explosions. | Complete code verification, site inspection, evidence collection, and conclusion reporting according to the inspection and investigation process |
| Main objects and basis | The objects include building drawings and fire exit plans, fire protection and alarm and detection systems, hazardous materials storage and use facilities, fire and explosion scenes, physical evidence and samples submitted for testing, inspection records and investigation reports, and permits and rectification notices; the basis is national and local fire codes, building fire protection codes and fire technical standards, hazardous materials management and permitting regulations, administrative procedure and enforcement document requirements, and evidence preservation and testimony procedures. | The objects are buildings and premises, fire protection and detection systems, and hazardous materials facilities; the basis is fire codes and technical standards, and permitting and enforcement procedures |
| Core process | Drawing review and code verification → Site inspection and system testing → Rectification tracking and permitting → Scene evidence collection and investigation → Reports and testimony | Centered on fire code inspection and fire investigation, also covering permitting, enforcement, and public education |
| Main outputs | Inspection records and rectification tracking records, investigation conclusions and evidence chain records, and permit and approval records | Inspection and investigation records |
| Responsible party | The accuracy of inspection determinations and the evidentiary responsibility for investigation conclusions rest with the individual; the final determination of the cause of a fire or explosion, administrative penalties and permit decisions, and the legal conclusions of a case must be made by the competent department through statutory procedures, and site work must be carried out in accordance with occupational safety and health requirements. | The accuracy of inspection determinations and the evidentiary responsibility for investigation conclusions rest with the individual |
| Authority and approval | When situations arise such as unclear whether the position holds enforcement and permitting authority, an incomplete evidence chain or questionable evidence collection procedures, safety and health risks at the site, or disputes over the applicable code provisions, stop handling the matter yourself and ask the competent department, a professional body, or authorized personnel to confirm. | When enforcement authorization, permit validity, evidence preservation, or safety conditions are unclear, stop and ask the competent department or authorized personnel to confirm |
| Conclusion boundaries | A single inspection conclusion or the investigation result of a single case does not constitute a final conclusion about an individual's professional ability | Workload is affected by building and premises inspection cycles, the number of fire and explosion incidents, and special governance campaign arrangements |
Record hazards and fire code violations
Verify whether installations comply with codes and standards
Issue permits for facilities that meet the requirements
Analyze evidence to determine the probable cause
Follow up on rectification and confirm that corrective actions are implemented
Teach fire investigation techniques to fire service personnel
Before entering this occupation, check item by item: the fire service or law enforcement background and years of experience required for the role; whether local or state-level inspector or investigator qualifications and certificates are required; whether the role carries inspection enforcement, subpoena, and permit issuance authority; the legal effect of investigation conclusions and the duty to testify; the safety and personal protection requirements for site work; and pay and duty arrangements (including night and holiday response).
Check the background requirements for the role
Check qualifications and certificates
Check enforcement and permitting authority
| Focuses on emergency preparedness, plans, and interagency coordination; this occupation focuses on site inspection, permit issuance, and investigation and evidence collection |
| If you prefer plan coordination and resource dispatch, choose that direction; if you prefer on-site enforcement and investigation, choose this occupation |
| Fire Protection Engineers | Design fire detection, alarm, and suppression systems and evaluate fire protection performance | Focuses on technical solutions for fire protection systems and building fire protection design; this occupation focuses on site inspection, compliance determination, and investigation and evidence collection | If you prefer engineering design and system calculations, choose that direction; if you prefer on-site enforcement and investigation, choose this occupation |
|---|
| Building and Construction Inspectors | Inspect whether building structures and construction quality comply with building codes | Focuses on building structure and construction quality inspection; this occupation focuses on determining fire hazards, hazardous materials, and fire causes | If you prefer structural and construction inspection, choose that direction; if you prefer fire-specific work and investigation, choose this occupation |
|---|
| Police and Patrol Officers | Patrol jurisdictions, maintain public order, and handle criminal cases | Focuses on public order maintenance, patrol, and criminal enforcement; this occupation focuses on fire code enforcement and investigation of fire and explosion causes | If you prefer public order patrol and criminal enforcement, choose that direction; if you prefer fire technical verification and accident investigation, choose this occupation |
|---|
| Compliance Officers | Review whether organizational operations comply with regulations and drive rectification | Focuses on internal institutional compliance review and process oversight; this occupation focuses on site inspection, permit issuance, and fire investigation | If you prefer regulatory and process compliance review, choose that direction; if you prefer site inspection and investigation, choose this occupation |
|---|
All the directions above relate to fire inspection, fire prevention, and investigation, but their authority, outputs, and ways of working differ; when comparing, look at four points first: whether they conduct inspection and enforcement under fire codes, whether they focus on technical solutions for fire protection systems and building fire protection design, whether they focus on public order or criminal enforcement, and whether they focus on internal institutional compliance review.
Compare in the order of “whether they inspect and enforce under fire codes, whether they focus on fire protection system technical solutions, whether they focus on public order or criminal enforcement, and whether they focus on internal institutional compliance review”, then judge which path suits you better together with background requirements, qualification authorization, and duty arrangements.
Technical handleability: whether a model can complete a certain type of task step
Institutional adoption: whether institutional rules, cost, and risk appetite allow it
Job outcomes: whether the number of positions and the structure of responsibilities change
| Work area | Task | Current change | Human control point |
|---|---|---|---|
| Premises inspection and hazard determination | Conduct fire code inspections of buildings and premises and record hazards and violations | Editorial advice: material organization or drafting assistance can be trialed, checking source materials and quality item by item; however, responsibility for hazard determination and records remains with people, and authority and responsibility should be verified against the actual original text. | Confirm and record step by step according to the checklist, and handle anomalies according to procedure |
| System testing and acceptance | Test and acceptance-test fire protection, alarm, and detection systems | Editorial advice: material organization or drafting assistance can be trialed, checking source materials and quality item by item; however, responsibility for system pass or fail determinations remains with people, and authority and responsibility should be verified against the actual original text. | Make determinations according to test procedures and verify against drawings |
| Hazardous materials and permits | Verify premises where hazardous materials are stored and used and issue permits | Editorial advice: material organization or drafting assistance can be trialed, checking source materials and quality item by item; however, responsibility for on-site verification and permit decisions remains with people, and authority and responsibility should be verified against the actual original text. | Verify and record according to codes, and confirm authority before issuance |
| Scene investigation and evidence collection | Examine fire and explosion scenes and collect, seal, and submit physical evidence | Editorial advice: material organization or drafting assistance can be trialed, checking source materials and quality item by item; however, responsibility for evidence selection and on-site interpretation remains with people, and authority and responsibility should be verified against the actual original text. | Operate according to evidence collection procedures and keep complete records |
| Cause analysis and conclusions | Analyze evidence and test results to determine the probable cause of fires and explosions | Editorial advice: material organization or drafting assistance can be trialed, checking source materials and quality item by item; however, responsibility for cause determination and signing remains with people, and authority and responsibility should be verified against the actual original text. | Conclusions must be supported by evidence and code basis and subject to review |
| Reports and testimony | Write inspection reports and investigation conclusions and testify in court as needed | Editorial advice: material organization or drafting assistance can be trialed, checking source materials and quality item by item; however, responsibility for truthful statements and testimony remains with people, and authority and responsibility should be verified against the actual original text. | Record truthfully and escalate and refer according to procedure |
| Public education and training | Carry out public fire education and evacuation drills and teach investigation techniques to fire service personnel | Editorial advice: material organization or drafting assistance can be trialed, checking source materials and quality item by item; however, responsibility for teaching delivery and confirming effects remains with people, and authority and responsibility should be verified against the actual original text. | Execute according to plan and record training and drill results |
The following evidence cards correspond respectively to an international organization's task exposure study, official occupational data, employment and wage statistics, and a governance framework; read them according to their respective subjects and limitations, and do not merge them into a single conclusion.
This column answers only technical handleability: it judges this occupation's tasks (code searching, drawing and exit plan comparison, checklist and report drafting, photo and evidence archiving, testing data organization, scheduling and re-inspection reminders) by “what a model can do”, and does not address whether agencies adopt them, nor enforcement and permitting authority.
AI primarily changesCode searching, drawing verification, and report candidates can be trialed; efficiency must be verified against quality and rework
Human responsibility remainsOn-site determinations, evidence selection, and conclusion determination remain the responsibility of authorized personnel
AI primarily changesPhoto archiving, data organization, and re-inspection reminders can be trialed; original records must be reviewed item by item
Human responsibility remainsOn-site evidence collection procedures, testimony statements, and permit decisions remain borne by people
AI primarily changesScheduling and report drafting can be trialed; verify against the actual institutional rules and execution results
Human responsibility remainsEnforcement thresholds, disposition decisions, and signing of responsibility must still be confirmed by people
When using AI to assist with work in this occupation, it is recommended to confirm the division of labor and authorization boundaries in the following order:
First confirm the enforcement authority for inspection and investigation, the authority for permitting and penalty decisions, and the evidence preservation and testimony procedure requirements, and determine which steps may use tools and which conclusions must be made by authorized personnel.
Restrict tools to the permitted steps only, such as code searching, drawing comparison, checklist and report drafting, photo and evidence archiving, and data organization, and do not let them directly produce inspection determinations, penalties, or permit decisions.
Personnel with authority check tool outputs and testing data against regulations and procedures, review the criteria and deviations, and record the reasons for human judgment, handling and escalating anomalies according to procedure.
Record the inspection, rectification, evidence collection, permitting, and testimony processes according to institutional rules, so that the process is traceable and version-controlled; confidential information and information about involved parties is handled according to regulations.
Responsibility for enforcement, permitting, penalties, and determination of fire causes rests with authorized personnel and the competent department, and tool outputs do not constitute an enforcement basis or conclusion.
Skipping inspection items required by codes or unilaterally relaxing determinations will leave fire hazards to the use stage and may cause casualties and property loss.
Control: Execute step by step strictly according to fire codes and checklists, and when hazards are found, record them according to procedure, notify for rectification, and follow up with re-inspection.
Non-compliant on-site evidence collection, sealing, or submission procedures may make investigation conclusions untenable or inadmissible in litigation.
Control: Operate according to evidence preservation and collection procedures, recording sealing, submission, and handover item by item, and ask authorized personnel to review when necessary.
Building drawings, hazardous materials lists, and arson case information are sensitive information, and leakage may affect enforcement and harm the rights and interests of the parties involved.
Control: Handle information flow according to minimum necessity and institutional restrictions, and do not submit sensitive information to external tools or unrelated personnel.
Fire and explosion scenes present risks of structural collapse, residue, smoke, dust, and work at heights, which may cause personal injury.
Control: Work according to on-site safety assessment and personal protection requirements, enter with a partner, evacuate as required, and truthfully report physical discomfort.
Acting beyond authority in inspections, imposing penalties in violation of rules, or procedural defects will lead to administrative acts being revoked and to liability.
Control: Clarify the inspection, penalty, and permitting authority of the position, and report or refer matters beyond the authorization to the competent department according to procedure.
First become proficient in code verification, site inspection, and record writing: become familiar with fire codes and technical standards, be able to read building drawings and fire exit plans, master the formats of checklists and enforcement documents, and complete site inspections and rectification follow-up under supervision.
Turn inspection records, rectification tracking, and evidence preservation into habits, and ask a supervisor or authorized personnel first when questions arise about enforcement authority, permit validity, or evidence collection procedures.
Use tools for code searching, drawing comparison, report drafting, and organizing photos and records, while retaining the judgment and signature for on-site determinations, evidence selection, and conclusion determination.
First clarify the authority, evidence, and record requirements for inspection and investigation, then decide which steps can introduce digital tools and reporting systems.
This page recommends trialing code searching, reporting, and archiving assistance while retaining on-site review; ILO potential exposure does not prove that this occupation has adopted it, that it will necessarily be augmented, or that the occupation as a whole will not be replaced.
Source: ILO Working Paper 96 (2023); O*NET 33-2021.00 task dataOriginal source ↗
Learn tools according to the target agency's actual systems and trial them within the permitted scope; the O*NET software list does not prove efficiency gains and does not replace inspection training and authorization.
Source: O*NET 33-2021.00 task data; ILO Working Paper 96Original source ↗
Code searching, report drafting, and archiving can be trialed first, recording quality and rework; this is an editorial choice, not a measured impact ranking.
Source: ILO Working Paper 96 (2023); O*NET task dataOriginal source ↗
As of 2026-10-11, current O*NET exact 33-2021.00: 14,700 employed in 2025, average growth of 3% to 4% for 2025—2035, and 1,600 average annual openings; 2025 wages of $36.50 per hour and $75,920 per year. The original 2024—2034 historical card showed an annual average of 1,500, and the periods must not be mixed. Projections are not actual changes, and no promise can be made that the occupation will not decline because of AI.
Source: O*NET presents the current BLS 2025—2035 projection for the exact occupationOriginal source ↗
NIST is a voluntary risk framework and does not grant penalty or permitting authority. The specific decision-making body, tool use, and evidentiary effect should be verified against local regulations, position authorization, and the original procedural text.
Source: NIST AI Risk Management Framework; enforcement, permitting, and evidence procedure requirementsOriginal source ↗
The projections and ILO study checked do not give a year of occupational disappearance; continue to check changes in positions and responsibilities, and do not treat assistable tasks as already taken over.
Source: BLS employment projections (2024—2034); ILO Working Paper 96Original source ↗
This page recommends practicing code application, on-site recording, and report explanation; preparation advice does not guarantee independent enforcement or investigation qualifications, and specific authorization and training must be verified.
Source: O*NET 33-2021.00; BLS employment and wage statisticsOriginal source ↗
The above are task-level judgments and evidence boundaries and do not represent a definitive forecast of the number of positions.
Evidence gap: no verifiable monthly wage statistics could be obtained for fire and rescue agencies, fire technical service organizations, or construction project fire acceptance positions in mainland China; income in such positions often includes allowances, duty subsidies, or project commissions, and recruitment notice quotes are mostly single-employer samples that cannot represent the occupational wage.
Evidence gap: no verifiable income statistics could be obtained for other regions and employment models (government full-time fire brigades, enterprise fire management, and labor dispatch); differences by region, unit nature, and establishment type are large and must be checked position by position.
The China materials checked this round did not yield a precise national wage for this occupation; the national, industry, and job category averages below are background proxies, not the occupational median.
| Education background | Common position directions | Notes and check suggestions |
|---|---|---|
| Bachelor's degree (fire protection engineering, safety engineering, or a related major) | Fire technical service organizations and testing and evaluation positions | Focuses on fire facility testing, maintenance, and evaluation |
| Master's degree (safety science and engineering, fire protection engineering, or public administration related majors) | Fire and rescue agencies and emergency management positions | Fire prevention supervision, investigation, and management are different responsibilities; a degree by itself does not grant supervision, investigation, or enforcement authority, and the position and the original authorization text must be verified. |
| Long-term practice and on-the-job training (accumulated in fire service and enforcement positions) | Frontline inspection positions in fire and rescue agencies | Focuses on on-site supervision, inspection, and investigation |
| Cross-disciplinary (fire protection engineering plus law or public administration) | Policy and regulation research positions | Requires supplementary training in regulations and public policy |
This page uses industry average wages (“Public administration, social security, and social organizations” urban non-private 119,465 yuan / year; “Scientific research and technical services” non-private 182,064 and private 83,560 yuan / year; “Construction” non-private 92,036 and private 66,275 yuan / year), as well as the national urban non-private unit average of 129,441 yuan / year, private unit average of 71,590 yuan / year, and the job category average wages of enterprises above designated size as background; they cannot substitute for this occupation's wage.
Hiring demand from fire and rescue agencies and emergency management departments
Hiring scenarios in fire technical service organizations and testing and evaluation
Hiring scenarios for positions related to fire construction and acceptance in construction projects
Code searching, report and record drafting can be trialed with quality and rework measured; actual adoption, income, or demand change data for the exact occupation in China has not been verified.
| Median (50%) | Median hourly wage $36.50; median annual wage $75,920 (2025, BLS OEWS, presented via O*NET) | Official annual wage, not personal take-home pay | Median: 75,920 USD / year (median hourly wage $36.50, 2025); half of employed practitioners earn below and half above this value. |
|---|
| Highest 10% | Above 118,750 USD / year (90th percentile, May 2025 OEWS, exact occupation 33-2021, presented via O*NET) | Official annual wage, not personal take-home pay | The 90th percentile of 118,750 USD / year is a position in the wage distribution, not an experience level or a wage ceiling; do not infer causality from the percentile. |
|---|
Pay · 10th percentile：Below 46,530 USD / year；Pay · 10th percentile | Below 46,530 USD / year； exact occupation 33-2021 definition | Not a starting salary.
Pay · 25th percentile：Below 58,690 USD / year；Pay · 25th percentile | Below 58,690 USD / year； exact occupation 33-2021 definition | Not a starting salary.
Pay · median：75,920 USD / year；Pay · median | 75,920 USD / year； median hourly wage $36.50 (May 2025 OEWS, exact occupation 33-2021 definition) | Half of practitioners earn below and half above this value.
Pay · 75th percentile：Below 95,120 USD / year；Pay · 75th percentile | Below 95,120 USD / year； exact occupation 33-2021 definition | Does not include duty allowance or overtime income.
Pay · 90th percentile：Above 118,750 USD / year；Pay · 90th percentile | Above 118,750 USD / year； exact occupation 33-2021 definition | Does not represent the overall ceiling for this occupation.
The median is the midpoint of the statistical wage distribution, not a starting wage; OEWS includes employed part-time workers, and annual wages do not equal an individual's actual take-home income for the year.
Annual wages are usually expressed on a full-year, full-time 2,080-hour basis; paid hours, part-time status, and duty arrangements differ, so hourly wages cannot be directly converted into personal take-home pay.
Wages are May2025 OEWS; employment and openings are BLS employment projections presented via O*NET. The current 2025—2035 and the historical 2024—2034 are read separately.
Check the employer's pay items, paid hours, and duty system; OEWS excludes items such as overtime premium but does not exclude all allowances across the board, so refer to the wage definition.
| Industry | Median wage for this occupation within the industry | How to understand this value |
|---|---|---|
| Government | Historical card: not obtained in the original check; current OOH industry values are given in the quick answers of this module. | This row reflects the historical definition of the original shared fact card and does not prove that the official figure is currently unpublished. The protected shared fact register was not changed this round. |
| Local government (excluding schools and hospitals) (OEWS industry definition) | Historical card: not obtained in the original check; current OOH industry values are given in the quick answers of this module. | This row reflects the historical definition of the original shared fact card and does not prove that the official figure is currently unpublished. The protected shared fact register was not changed this round. |
| Professional, scientific, and technical services (including architectural and engineering services, and investigation and security services) | Historical card: not obtained in the original check; current OOH industry values are given in the quick answers of this module. | This row reflects the historical definition of the original shared fact card and does not prove that the official figure is currently unpublished. The protected shared fact register was not changed this round. |
| National (all industries, for reference) | 75,920 USD / year | The national median annual wage for this occupation as of May 2025 (BLS OEWS, presented via O*NET), given for comparison and not an industry figure. |
OEWS covers employed persons, including full-time and part-time; it excludes the self-employed and unpaid volunteers, and the wage definition includes some incentive pay and excludes overtime premium, among other items.
The current OOH has published median wages for some major industries for this exact occupation
The education survey percentages have published the leading items
Employment · employment size | About 14,700 people； 2024 exact occupation 33-2021 definition, presented via O*NET | The share of public sector positions is relatively high.
Employment · growth rate | Average (3% to 4%, 2024—2034)； exact occupation 33-2021 definition | Not the probability of an individual obtaining a position or passing a qualification review.
Employment · projected job openings | About 1,500 per year (2024—2034 projected annual average)； exact occupation 33-2021 definition | Most come from replacement needs and do not equal net new positions.
O*NET occupational interest baseline
Communication style can be trained and need not be limited by personality labels.Assessment results describe preferences only and do not represent ability.
This section is used to further explain the usage boundaries of the assessments.
Which Holland interest type is closer to Fire Inspectors and Investigators?
The interest code is mainly R (Realistic), with C (Conventional) and I (Investigative): these correspond respectively to on-site and protective work, handling information according to codes and procedures, and investigating and analyzing facts. Interest codes describe activity preferences only and do not represent talent, hiring, or qualification conclusions.
Do not use it this way: If you do not accept on-site work and repeated verification of code clauses, or are unwilling to bear record-keeping and testimony responsibilities, the work experience will be affected.
Take my Holland occupational interest testWhich Big Five traits are more relevant to this work?
Treat reviewing according to procedure and coping with pressure as behavioral observation suggestions; this page has not verified the Big Five predictive validity or trait importance ranking for this occupation.
Do not use it this way: Personality traits cannot replace code training, on-site experience, and qualification certificates.
View my Big Five personality traitsCan MBTI be used to judge whether I am suited to Fire Inspectors and Investigators?
Can organize field work and paperwork preferences; this page has not verified a basis for MBTI predicting performance in this occupation, and training and records are still required.
Do not use it this way: If you are completely unwilling to communicate with owners, the public, and involved parties, on-site inspection and investigation work will be significantly constrained.
Learn about my MBTI preferencesCan the Enneagram tell me whether I am suited to this occupation?
The Enneagram is a self-reflection tool. The more practical questions for this work are: can you execute according to procedure under on-site pressure, and can you face enforcement disputes and testimony responsibilities.
Do not use it this way: If every penalty dispute or challenge to evidence is taken as a denial of personal worth, working in this field long term will be very difficult.
Explore my Enneagram patternsIf I am not good at math, can I work as a Fire Inspector and Investigator?
Can observe actual performance in dimensions, data, and evidence reasoning; this page has not verified the occupational predictive validity of IQ, and qualifications are not determined by scores.
Do not use it this way: Treating test scores as qualifications or position thresholds does not hold.
Learn about my intelligence and reasoning performanceDo Fire Inspectors and Investigators need high emotional intelligence?
Can observe how one communicates with tense involved parties and responds to feedback; this page has not verified the occupational validity of emotional intelligence tests and sets no score threshold.
Do not use it this way: Test results cannot replace actual performance in on-site work and enforcement procedures.
Learn about my emotional intelligence abilityFits better when: Meets physical fitness and emergency training standards; able to execute orders and work collaboratively under high-pressure on-scene conditions
Watch for: This direction is not recommended if you are unwilling to do high-intensity physical work and on-scene rescue, or do not adapt to duty and shift work.
Explore related career: Firefighters directionFits better when: Has plan development and interagency coordination ability; able to organize and command during emergencies
Watch for: This direction is not recommended if you are unwilling to bear coordination responsibility or do not accept frequent interagency communication.
Explore related career: Emergency Management Directors directionFits better when: Has engineering and calculation ability; able to read codes and complete fire protection system design and evaluation
Watch for: This direction is not recommended if you are unwilling to do engineering calculations and design documents, or unwilling to keep updating technical standards.
Explore related career: Fire Protection Engineers directionFits better when: Familiar with building construction processes and acceptance codes; able to verify item by item and issue inspection records
Watch for: This direction is not recommended if you are unwilling to verify construction quality on site long term, or are unfamiliar with building codes.
Explore related career: Building and Construction Inspectors directionFits better when: Able to pass law enforcement physical, background, and psychological evaluations; has on-scene handling and evidence collection ability
Watch for: This direction is not recommended if you are unwilling to face enforcement conflicts and shift duty, or unwilling to accept law enforcement assessments.
Explore related career: Police and Patrol Officers directionFits better when: Familiar with industry regulations and internal control systems; able to write compliance reports and coordinate rectification
Watch for: This direction is not recommended if you are unwilling to handle institutional documents and cross-department coordination, or do not accept frequent communication.
Explore related career: Compliance Officers directionThis page does not screen by personality labels. What can be observed is actual performance in code verification, detailed recording, on-site communication, and accepting review.
Introversion can only serve as an observation of communication preference; try written verification of requirements and explaining the inspection basis in person, and do not infer suitability from a label.
Extraversion does not guarantee accurate determinations and records; observe whether item-by-item review and evidence retention follow on-site communication.
No evidence has been verified for the MBTI type best suited to this occupation; judge by concrete records and training performance.
Current O*NET interest code RCI: Realistic, Conventional, Investigative; it describes activity preferences and is not an admission or ability proof.
This page has not verified the validity of personality scores in predicting performance in this occupation; inspection and investigation records are more suitable for concrete preparation observation.
Math scores alone cannot determine fit; actual tasks require checking dimensions, data, and logic, and fictional materials can be used to trial this and fill gaps.
No emotional intelligence score threshold is set; observe whether one can hear involved parties' statements clearly, explain the basis, and keep accurate records.
For self-reflection cues only; qualifications are not determined by Enneagram type; observe how disputes and reviews are handled according to procedure.
Complete checklists, evidence registration, and report explanation with fictional materials, comparing omissions and feedback; practice does not grant on-site or enforcement authority.
Possible consequence：There is a risk to personal safety on site and exposure to harmful environments; specific risk assessment, protection, and health requirements must be verified against the actual on-site source text.
How to reduce risk：Work according to on-site safety assessment and personal protection requirements, enter with a partner, evacuate as required, and truthfully report physical discomfort
Evidence：BLS OOH：Fire Inspectors
Typical scenario：Skipping inspection items based on experience or giving only verbal notice without records
Roles most affected：Inspectors carrying out code inspection and rectification follow-up
Possible consequence：Will leave fire hazards to the use stage, possibly causing casualties and property loss and affecting enforcement credibility
How to reduce risk：Execute item by item strictly according to fire codes and checklists, and when hazards are found, record them according to procedure, notify for rectification, and follow up with re-inspection
Evidence：O*NET tasks and work activities data
Typical scenario：Taking physical evidence away on one's own or failing to keep sealing and handover records
Roles most affected：Investigators who collect, seal, submit, and hand over physical evidence
Possible consequence：Missing records or handover may affect the traceability of evidence and the investigation account; admissibility in litigation depends on the actual jurisdiction and procedures and cannot be determined by this page.
How to reduce risk：Operate according to evidence preservation and collection procedures, recording sealing, submission, and handover item by item, and ask authorized personnel to review when necessary
Evidence：O*NET tasks and work activities data
Typical scenario：Making penalty or permit decisions directly beyond the authorization
Roles most affected：Personnel responsible for inspection, penalty, or permitting work
Possible consequence：May give rise to authority and procedure disputes; the validity of and liability for administrative acts must be verified against the actual law and authorization.
How to reduce risk：Clarify the inspection, penalty, and permitting authority of the position, and report or refer matters beyond the authorization to the competent department according to procedure
Evidence：O*NET tasks and work activities data
Typical scenario：Taking case files, drawings, or involved party information out of the controlled environment
Roles most affected：Personnel handling drawings, hazardous materials, and case files
Possible consequence：May affect enforcement effectiveness, harm the rights and interests of involved parties, and violate information protection requirements
How to reduce risk：Handle information flow according to minimum necessity and institutional restrictions, and do not submit sensitive information to external tools or unrelated personnel
Evidence：O*NET tasks and work activities data
Typical scenario：Making after-the-fact entries, testifying from impression, or simplifying records
Roles most affected：Inspectors and investigators who prepare reports and testify in court
Possible consequence：May affect rectification tracking, determination of responsibility, and the credibility of testimony
How to reduce risk：Record inspection, rectification, evidence collection, and conclusions completely according to institutional rules, and base courtroom testimony on records and evidence
Evidence：O*NET tasks and work activities data
| Entry direction | Starting task | Preparable evidence | Work samples that can be shown even without experience | Notes |
|---|---|---|---|---|
| Premises inspection support position | Complete checklist preparation, on-site recording, and document organization under supervision | Work and training records | Write a set of key points for a premises fire inspection | Support-oriented setting; pay attention to enforcement authorization and record standards |
| Fire system testing position | Complete testing and recording of alarm, sprinkler, and detection systems according to test procedures | Testing and inspection records | Write a set of key points for fire system testing | Technical setting; pay attention to test procedures and pass or fail determinations |
| Hazardous materials and permitting position | Verify hazardous materials premises conditions and organize permit materials | Verification and permit records | Write a set of key points for verifying hazardous materials premises | Management-oriented setting; pay attention to permitting authority and signing of responsibility |
| Fire and explosion investigation position | Participate under supervision in scene examination, physical evidence registration, and submission handover | Scene records and submission records | Write a set of key points for on-site evidence collection and physical evidence handover | Investigation-oriented setting; pay attention to evidence preservation and procedural compliance |
| Public education and program position | Take charge of organizing evacuation drills, public fire education, and material development | Education and drill records | Design one evacuation drill plan and its assessment points | Education-oriented setting; pay attention to drill safety and effect evaluation |
Check the education, major (fire protection engineering, safety engineering, or a related major), and fire service or law enforcement work experience requirements, and record the announcement date and whether it is still open.
Distinguish between “knowing common fire safety knowledge” and “being able to inspect item by item according to codes and write out the basis for determinations”, and look at both.
Check inspector or investigator certificates, enforcement and permitting authorization, medical and background checks, and case file and evidence confidentiality requirements.
Record the requirements and their validity period; changing employer or position requires re-verification.
Job Zone Three, SVP6.0 to <7.0; not marked Bright Outlook. The current education summary shows 27% certificate, 26% some college no degree, and 23% high school or equivalent; the remaining items were not obtained this round, and no claim is made that they are unpublished.
The preparation level describes the occupation as a whole and does not represent the employment and certification conditions of a specific agency or position; BLS indicates that this occupation usually requires a high school diploma or equivalent and work experience as a firefighter or in a related occupation, with on-the-job training after hire, and a certificate may also be required.
Check the checklists and enforcement documents used, testing and detection equipment (alarm and sprinkler system testing, electrical and combustible gas detection), photography and evidence collection equipment, sealed containers and evidence bags, computers and reporting systems, and on-site personal protective equipment.
Provide the premises type and use, building drawings and fire exit layout, list of fire protection and alarm systems, hazardous materials storage conditions, applicable fire code clauses, and rectification deadlines and re-inspection arrangements as the input for this exercise.
Mark units and missing items, and state that the material is completely fictitious.
List the missing information that could affect judgment.
State that the exercise uses fictitious materials and does not represent any real unit, premises, or case.
Reviewable outputs: inspection items and the basis for determinations, problems found and rectification recommendations, systems requiring testing and testing methods, clauses that must be confirmed by the competent department, and determinations that require permits or enforcement authority.
State the boundary: legal, testing, and safety conclusions must be made by the competent department, authorized personnel, or professional bodies.
Require writing out the on-arrival handling sequence and on-site recording method, physical evidence identification and sealing methods, submission and handover records, and photo and video requirements, and stating which conclusions must have evidence and a code basis.
Exercise output: an executable set of on-site evidence collection and investigation key points.
First confirm the applicable codes and review the drawings, then verify and test item by item according to the checklist, and finally record hazards, propose rectification, and specify re-inspection milestones.
List the qualification, certificate, and enforcement and permitting authorization requirements of the target announcement item by item in a comparison table.
Mark items already met, to be completed, and to be verified.
Choose a fictitious premises and write out the inspection items, the basis for determinations, and testing methods, with record templates attached.
Demonstrates the ability to let others understand the inspection and determination process.
Use one page to record the premises overview, inspection items and results, hazards and rectification recommendations, and re-inspection milestones and division of responsibility.
Mark the sources of basis and the parts that could not be verified.
Explain the checklists, testing equipment, photography, and sealing methods used so that others can reproduce the evidence collection process.
Mark which steps used digital tools and were checked by humans.
| Scenario | Questions that may be asked | Evidence that can be presented | Conclusions that cannot be inferred from this |
|---|---|---|---|
| Interview | Whether one can explain the process of applying codes and making inspection determinations. | Check whether one can explain the basis for determinations clearly and show record templates. | Whether to hire is judged by the employer according to prescribed procedures and is not decided by the individual. |
| Practical or scenario test | Whether one can complete an on-site inspection according to the checklist and record it properly. | Use inspection records and testing records to demonstrate executability. |
Excerpt one inspection or testing requirement and write out the execution and recording key points.
Write out inspection items, the basis for determinations, and common hazards by premises type.
Write out the test object, test method, pass criteria, and recording method.
Write out the on-arrival sequence, physical evidence identification and sealing, submission handover, and photo requirements.
Write out the inspection report structure, rectification recommendations, and re-inspection tracking approach.
Ask an experienced inspector or an authorized person to point out omissions in the determination and evidence collection steps and record the feedback.
| Qualification / preparation item | Applicable group | Role for this occupation | Whether generally required | Path to obtain | Approximate duration | Boundary statement |
|---|---|---|---|---|---|---|
| High school diploma or equivalent | Basic entry threshold | BLS lists a typical U.S. high school diploma or equivalent; specific positions must be checked separately | BLS indicates this is the entry-level education usually required for the occupation | General high school or equivalency examination | Depends on individual progress |
Typical scope：Able to record item by item according to the checklist and hand over truthfully
Readiness evidence：Inspection records and training records
Credential boundary：Inspection records and training records
Next moves：Complete checklist preparation, on-site recording, and document organization under supervision
Typical scope：Able to independently determine hazards and explain the basis
Readiness evidence：Inspection and rectification records
Credential boundary：Inspection and rectification records
Next moves：Independently complete premises inspection, hazard determination, and rectification notice
Typical scope：Able to make determinations under complex code clauses and issue permits
Readiness evidence：Special inspection and permit records
Credential boundary：Special inspection and permit records
Next moves：Take on special inspections of high-rise, underground, and hazardous materials premises
Typical scope：Able to coordinate inspection resources and handle enforcement disputes
Readiness evidence：Plan and enforcement records
Credential boundary：Plan and enforcement records
Next moves：Coordinate inspection plans, special governance campaigns, and enforcement procedure control
Typical scope：Able to record according to procedure and seal physical evidence
Readiness evidence：Scene records and submission records
Credential boundary：Scene records and submission records
Next moves：Complete on-site records, physical evidence registration, and submission handover under supervision
Typical scope：Able to collect evidence according to procedure and form an evidence chain
Readiness evidence：Scene examination and evidence records
Credential boundary：Scene examination and evidence records
Next moves：Independently complete scene examination, physical evidence collection, and photo archiving
Typical scope：Able to write reviewable conclusions and explain limitations
Readiness evidence：Analysis and conclusion records
Credential boundary：Analysis and conclusion records
Next moves：Conduct tests and data analysis and form cause determination opinions
Typical scope：Able to operate test equipment according to procedures and record
Readiness evidence：Testing and inspection records
Credential boundary：Testing and inspection records
Next moves：Complete fire system testing and data recording under supervision
Typical scope：Able to determine whether systems comply with codes and issue records
Readiness evidence：Testing and acceptance records
Credential boundary：Testing and acceptance records
Next moves：Independently complete testing and acceptance testing of fire protection and alarm systems
Typical scope：Able to organize drills and evaluate effects
Readiness evidence：Education and drill records
Credential boundary：Education and drill records
Next moves：Design and carry out fire education, evacuation drills, and special publicity
Able to complete on-site records according to the checklist and hand over truthfully
Able to independently determine hazards and write out the basis for determinations
Able to collect evidence according to procedure, issue permits, and form reviewable conclusions
Able to coordinate inspection resources, handle disputes, and bear testimony responsibilities
Does not establish：Projections are not equal to actual results and do not represent the hiring volume of a particular region or agency; the values are on the exact occupation definition
United States · Fire Inspectors and Investigators（33-2021.00）
About 14,700 people
Employment size
The original 2024 base-year scale of the employment projection; the employment matrix definition differs from OEWS wages and cannot be uniformly called employment statistics.
Does not establish：Scale and openings are not the same indicator; openings are the annual average for the projection period and include replacement needs
Mainland China · Public administration, social security, and social organizations; scientific research and technical services (industry categories)
Public administration, social security, and social organizations non-private 119,465 yuan / year; scientific research and technical services non-private 182,064 and private 83,560 yuan / year; construction non-private 92,036 and private 66,275 yuan / year; national non-private 129,441 and private 71,590 yuan / year
Industry wage (industry proxy)
The industry average covers multiple occupations and does not substitute for this occupation's wage; total wages, by statistical definition, include labor remuneration such as allowances and subsidies.
Does not establish：Industry and job category proxies, not exact occupation statistics; allowances, duty subsidies, or performance pay cannot be excluded across the board.
These are capability relationships, not automatic promotions or credential waivers.
Transfers：On-site information gathering and collaboration; firefighting and rescue training to be supplemented separately
Build next：Requires supplementary firefighting and rescue and physical training
View career profileTransfers：Risk information and communication; overall dispatch to be supplemented separately
Build next：Requires supplementary plan development and interagency coordination ability
View career profileTransfers：Code and drawing verification; engineering design to be supplemented separately
Build next：Requires supplementary engineering design and calculation ability
View career profileTransfers：On-site inspection and recording; structural construction knowledge to be supplemented separately
Build next：Requires supplementary building construction and structural code ability
View career profileTransfers：Investigation records and communication; criminal enforcement qualifications to be verified separately
Build next：Requires supplementary public order and criminal enforcement ability
View career profileTransfers：Code verification and rectification records; internal control systems to be supplemented separately
Build next：Requires supplementary compliance system and internal control ability
View career profileTransfers：Fact organization and interviews; commissioned investigation authority to be verified separately
Build next：Requires supplementary investigation, evidence collection, and interviewing ability
View career profileTransfers：On-site risk observation; professional occupational health methods to be supplemented separately
Build next：Requires supplementary occupational safety and health management ability
View career profileDuties and authority differ: this occupation conducts premises inspection, system testing, hazardous materials permitting, and investigation of fire and explosion causes under fire codes and may testify in court; firefighters focus mainly on firefighting, rescue, and emergency response; fire protection engineers focus mainly on technical solutions for fire protection systems and building fire protection design; emergency management directors focus mainly on emergency plans, resource coordination, and interagency coordination; building and construction inspectors focus mainly on building structure, construction quality, and general code inspection; police and patrol officers focus mainly on public order maintenance and criminal enforcement; private detectives and investigators conduct civil and commercial investigations on commission and do not hold fire enforcement authority; and compliance specialists focus mainly on internal institutional compliance review and process oversight.
U.S. O*NET-SOC 33-2021.00 “Fire Inspectors and Investigators”: interest code RCI, Job Zone Three (requiring medium preparation, SVP 6.0 to <7.0), not marked as Bright Outlook (projected average growth of 3% to 4% for 2024—2034). Definition notes: wages, employment, and growth are on the exact occupation definition (2025 median hourly wage $36.50, median annual wage $75,920; the 10th, 25th, 75th, and 90th percentiles are about 46,530, 58,690, 95,120, and 118,750 USD / year respectively; 2024 employment about 14,700; average annual job openings about 1,500). BLS OOH separately gives the occupational group (fire inspectors, including forest fire inspectors) 17,600 employed in 2025, 6% growth for 2025—2035, about 1,900 average annual openings, and a median annual wage of $73,680, which is on a group basis and marked at each occurrence in the body text. The education survey has published the leading items (postsecondary certificate 27%, some college no degree 26%, high school diploma or equivalent 23%), the remaining items are not published, and this page does not fill them in.
O*NET lists this occupation as Job Zone Three (requiring medium preparation, SVP 6.0 to <7.0). Work context shows that work schedules are mostly regular (85%), with 15% irregular; among weekly work hours, 41% exceed 40 hours, 44% are 40 hours, and 15% are less than 40 hours; 97% involve face-to-face discussions with people outside the organization every day and 93% involve telephone calls every day; 91% consider the work to require extremely precise or highly accurate work combined; 31% have strict deadlines every day and 38% once a week or more; conflict situations occur every day for 12% and once a week or more for 34%; 46% work outdoors in all weather every day; 33% wear common protective equipment every day; the degree of automation of the work is 38% not at all automated, 31% slightly, and 24% moderately. The work combines office and field, and when major fires or explosions occur it may require night and holiday response.
The more accurate judgment is that steps such as code searching, drawing comparison, report drafting, and record archiving will be taken over by tools, and the occupation as a whole will mainly see augmentation and an upward shift in the center of responsibility. The ILO 2023 study shows that task exposure varies greatly across occupations, that the share of highly exposed tasks in managerial and professional occupations is relatively low, and that technical feasibility does not mean agencies have already adopted it; on-site determination, evidence selection, conclusion determination, and signing responsibility must be borne by authorized personnel, so the conclusion is that the way of working will change, not that the occupation as a whole will be replaced.
For this exact occupation in 2025, the median hourly wage is $36.50 and the median annual wage is $75,920; the 10th, 25th, 75th, and 90th percentiles are about 46,530, 58,690, 95,120, and 118,750 USD / year respectively (May 2025 OEWS, presented via O*NET). BLS OOH separately gives the occupational group (fire inspectors, including forest fire inspectors) a 2025 median annual wage of $73,680 (hourly $35.42), and gives forest fire inspectors and fire prevention specialists a May 2025 median annual wage of 56,870 USD, both on a group-internal definition. The median is the midpoint of the wage distribution of the employed, not a starting wage; OEWS is on an employed-person definition, and BLS has not published a readable figure for this occupation's industry-specific wages.
O*NET lists this occupation as Job Zone Three (requiring medium preparation, SVP 6.0 to <7.0); the education survey has published the leading items: postsecondary certificate 27%, some college no degree 26%, and high school diploma or equivalent 23%, with the remaining items unpublished and not filled in by this page. BLS indicates that this occupation usually requires a high school diploma or equivalent and work experience as a firefighter or in a related occupation, with on-the-job training after hire, and a certificate may also be required. In mainland China, a fire protection or safety related degree plus fire service or law enforcement work experience and position training is commonly required; the specifics are subject to the job posting and local regulations.
Whether this occupation requires a certificate depends on the region and agency: BLS indicates a certificate may be required after hire; some local or state jurisdictions have fire inspector or fire investigator qualification, enforcement authorization, and permit issuance authority requirements, and public sector positions may also have medical, background check, and physical requirements. These requirements must be verified against the original text of the target employer, the competent department, and local regulations; this page does not provide legal or compliance advice and does not equate a certificate with on-site determination and evidence collection ability.
The accuracy of inspection determinations and the evidentiary responsibility for investigation conclusions are borne by the personnel carrying them out; the final determination of the cause of a fire or explosion, administrative penalties and permit decisions, and the legal conclusions of a case must be made by the competent department through statutory procedures. Site work must be carried out in accordance with occupational safety and health requirements, and evidence preservation and testimony proceed according to procedures; matters involving enforcement, permits, evidence, safety, and testing must be confirmed by the competent department or authorized personnel. When using tools, tool outputs do not constitute an enforcement basis or conclusion, and sensitive premises and case file information must not be disclosed externally or submitted to unrelated parties. This page does not replace fire codes and technical standards, hazardous materials management and permitting regulations, administrative procedure and enforcement document requirements, evidence preservation and testimony procedures, or occupational safety and health requirements.
For this exact occupation, 2024 employment was about 14,700, the projected average growth for 2024—2034 is 3% to 4%, and average annual job openings are about 1,500; most openings come from replacement needs, and individual development depends more on qualifications, enforcement authorization, and professional direction. Common transfers include: firefighters (requires supplementary firefighting and rescue and physical training), emergency management directors (requires supplementary plan development and interagency coordination ability), fire protection engineers (requires supplementary engineering design and calculation ability), building and construction inspectors (requires supplementary building construction and structural code ability), police and patrol officers (requires supplementary public order and criminal enforcement ability), compliance officers (requires supplementary compliance system and internal control ability), private detectives and investigators (requires supplementary investigation, evidence collection, and interviewing ability), and occupational health and safety specialists (requires supplementary occupational safety and health management ability). The feasibility of a transfer depends on the target position announcement and local regulations.
FermatMind career content research process
2026-09-20
Source and fact register for this page (O*NET 33-2021.00 occupational profile and detailed data, BLS OEWS May 2025 exact occupation wage percentiles, BLS OOH: Fire Inspectors (occupational group wages, employment, and outlook), the BLS 2024—2034 projection presented by O*NET, National Bureau of Statistics 2025 industry category and job category average wages, ILO Working Paper 96, NIST AI RMF)
Limitations：The education survey publishes only the leading items and this page does not merge them into a complete distribution; U.S. materials do not automatically imply qualification, enforcement, and safety requirements for mainland China.
Limitations：Projections are not equal to actual results; average annual openings include replacement needs and cannot be broken down into the probability of an individual obtaining a position; the statistics are on an employed-person definition.
Limitations：The median is not a starting wage; OEWS is on an employed-person definition, BLS has not published a readable figure for this occupation's industry-specific wages, and this page uses no third-party estimates.
Limitations：Industry average wages and job category average wages cover multiple occupations and cannot be treated as this occupation's median or starting wage; they also do not include components such as allowances, duty subsidies, and overtime.
Limitations：Task exposure does not equal actual adoption, productivity, or job changes; on-site determination, evidence selection, and conclusion determination must still be borne by authorized personnel.
Limitations：The governance framework contains no occupational or employment statistics and cannot serve as career outlook or employment evidence; enforcement, permitting, evidence, and safety requirements are governed by the original text of local regulations and procedures.
Limitations：Not an external occupational fact source, and does not replace official statistics, regulations, procedures, or competent department requirements.
Limitations：Editorial ratings use the existing occupational responsibilities and AI task analysis on this page. They are not adoption rates, measured effects, job-disappearance or personal-unemployment probabilities, or official scores from Stanford or another external institution. No measured time weights or future robot deployment are assumed.
As of 2026-10-11, current O*NET exact 33-2021.00: 14,700 employed in 2025, average growth of 3% to 4% for 2025—2035, and 1,600 average annual openings; 2025 wages of $36.50 per hour and $75,920 per year. The original 2024—2034 historical card showed an annual average of 1,500, and the periods must not be mixed. This round confirmed that OOH lists industry median wages: finance and insurance 79,260, local government 77,380, state government 71,820, and education 70,190; the old shared industry fact card retains a historical gap. The education summary shows 27 / 26 / 23 as the leading items, and the complete distribution and the original 25th and 75th wage tables were not obtained. NBS wages include bonuses, allowances, and similar items within the statistical definition; OEWS includes employed part-time workers and excludes overtime premium and similar items. China's exact wage, measured AI impact, and enforcement jurisdictions must be verified separately.
MBTI (English) · Big Five (English) · MBTI (Chinese) · Big Five (Chinese)
Check evidence and testimony requirements
Check safety and protection requirements
Check pay and duty arrangements
List the actual usage scenarios and safety requirements, and do not use the tool list as a substitute for code application and on-site determination ability.
For authorization, evidence, or safety matters that cannot be confirmed, keep them as unknown and ask the competent department or authorized personnel to confirm, rather than handling them by experience.
State that the reference approach is only an example, not the only correct method.
This exercise does not constitute legal, testing, or safe-operating conclusions; enforcement, permitting, penalties, and fire cause determination are carried out by the competent department and authorized personnel according to regulations and procedures.
| One test does not mean one can independently handle inspections of all types of premises. |
| Probation period | Whether one can complete inspection, rectification tracking, and paperwork according to procedure. | Use rectification tracking and document records to demonstrate reliability. | Short-term performance does not mean one can independently bear investigation and testimony responsibilities. |
|---|
| After obtaining authorization | Whether one can make determinations within the authorized scope and keep records. | Use permit, penalty, and evidence records to demonstrate traceability. | Following procedures does not replace the final determination by regulations and the competent department. |
|---|
Write down whether you are willing to continue, what needs to be supplemented, and which judgments cannot be made by yourself.
| Fire service or law enforcement related work experience | All directions | Meets the background requirements for the role | BLS indicates this occupation usually requires related work experience | Accumulated in the fire service or related positions | Check against the related experience required by the position and the announcement; no uniform number of years was verified | Years of experience do not equal obtaining enforcement and permitting authorization |
|---|
| Fire protection engineering or safety engineering related degree (bachelor's) | Technical testing and investigation positions | Related engineering training preparation, with no promise of improving hiring chances | Not generally required | College degree program | About four years | A degree does not equal on-site determination and evidence collection ability |
|---|
| Fire inspector or investigator qualifications and certificates | Enforcement inspection and investigation positions | Meets the statutory or institutional requirements of the position | Depends on regional and agency requirements | According to local or state-level examination and training arrangements | Check against local examination, training, and application arrangements | A certificate does not mean one holds the enforcement authorization for the position |
|---|
| Training related to enforcement, report writing, and testimony | Directions that carry out enforcement and investigation | Supports on-site handling and courtroom testimony | Strongly recommended in actual work | Agency training or specialized courses | Check against the actual courses and agency arrangements | Training does not mean it can replace legal advice |
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| On-the-job training and mentoring (inspection process, system testing, evidence collection procedures) | Newly hired personnel | Become familiar with procedures and record requirements | BLS lists on-the-job training; specific arrangements must be checked with the employer | Arranged by the employer | Check against the position's mentoring plan; no uniform duration was verified | Training does not equal the ability to make independent conclusions and sign |
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Typical scope：Able to handle cross-examination and bear testimony responsibilities
Readiness evidence：Case and testimony records
Credential boundary：Case and testimony records
Next moves：Take on investigation of major fire and explosion cases and testify in court
Typical scope：Able to evaluate prevention results and drive institutional improvement
Readiness evidence：Program and institutional records
Credential boundary：Program and institutional records
Next moves：Coordinate prevention programs, technical standards, and institutional improvement
Limitations：The work context percentages are survey results from respondents and do not represent all positions; enforcement authorization, permitting, evidence, and safety requirements must be verified separately.
