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SOC 47-4021
Under U.S. O*NET-SOC 47-4021.00, assembles, installs, commissions, repairs, and maintains electric or hydraulic passenger and freight elevators, escalators, moving walkways, and dumbwaiters: positions guide rails and the car per drawings, connects and commissions electrical controls, troubleshoots braking and door operator faults, and completes safety inspections and maintenance records per regulations.
Model impact index for three equally weighted representative core tasks; not a measured share of working time or a job-loss probability. floor((50+0+50)/3+0.5)=33; fermatmind-ai-impact-v1; 2026-10-18.
First judge whether you are willing to work per procedures in hoistway and height environments and can patiently record parameters and inspection results,and should then be verified with this page's paper exercises and seven-day experience, rather than only whether “hands-on disassembly and assembly” seems interesting.
This page does not constitute a work permit, an inspection, or a hiring conclusion; installation inspection and equipment release may only be carried out by qualified and authorized personnel.
More likely suited: someone who is willing to work per safety procedures and can write the basis and parameters clearly,and who proactively stops and escalates when the basis is unclear or authorization is exceeded.
Occupational boundary: this page is written under U.S. O*NET-SOC 47-4021.00 “Elevator and Escalator Installers and Repairers,” meaning positions that assemble, install, repair, and maintain electric or hydraulic passenger and freight elevators, escalators, moving walkways, and dumbwaiters; it differs in equipment object and work methods from electricians (building and industrial electrical systems), plumbers (water supply, drainage, and steam systems), HVAC technicians (heating, ventilation, air conditioning, and refrigeration), and structural iron and steel workers (building steel structures).
Career direction comparison
The following occupations are all related to building equipment, but their equipment objects, work methods, and entry requirements differ; use them to check directions, not as substitutes for one another.
| Career direction | Core work and outputs | Key differences | Which choice is a better fit |
|---|---|---|---|
| Electricians | Installs, maintains, and repairs building and industrial electrical systems. | The object is distribution, lighting, and control systems, and does not involve the mechanical and safety devices of vertical transportation equipment. | Choose that occupation if you prefer building electrical work; choose this occupation if you prefer the electromechanical work of elevators and escalators. |
| Plumbers, pipefitters, and steamfitters | Installs and repairs water supply and drainage, gas, and steam piping systems. |
AI's impact on the occupation
AI and digital tools can assist with drawing and material retrieval, fault code and historical work order retrieval, inspection and maintenance record organization, and scheduling and spare parts estimation; they cannot replace hoistway and height work, on-site judgments of mechanical and electrical faults, or the commissioning and conformity conclusions of safety devices (such as the speed governor, safety gear, and door locks), nor do they bear work permit and inspection release responsibility. AI Impact Score 33% 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((50+0+50)/3+0.5)=33; 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.
Mainland China pay reference
Chinese pay framing
Public material classifications
Insufficient evidence: no national single-occupation framing was obtained
Insufficient evidence: no Mainland China national single-occupation wage percentile precisely corresponding to this occupation was obtainedBroad-scope construction industry reference: nationwide 2025 average annual wage for urban non-private units was 92,036 yuan, and for private units 66,275 yuan; pre-tax industry averages, not the elevator installation and repair occupation median or an individual income range.
U.S. pay reference
U.S. O*NET-SOC 47-4021.00 single-occupation 2025 national median annual wage 109,910 USD (median hourly wage 52.84 USD); the five percentile values are from the same source, and the occupation, period, and unit framing should be retained when using them.
| Framing | Value | Statistical position | Limitations |
|---|---|---|---|
| Low end | 59,270 USD/year (national 10th percentile, 2025) | National 10th percentile | Low end: 10th percentile 59,270 USD/year, the low end of the distribution, not an entry-level starting salary. |
| Median | 109,910 USD/year (52.84 USD/hour, May 2025) | National median | Median: 109,910 USD/year (52.84 USD/hour, May 2025); half of practitioners are below and half above this value. |
Career fit guide
Editorial suggestion: besides acceptance of height work, also observe safety procedures, parameter recording, and collaboration behavior;Check whether you are willing to work per procedures, record parameters, and accept review; on-site responsibility and qualifications are determined by the position and jurisdiction.
Worth experiencing further： Willing to write the basis, dimensions, and parameters of each work step clearly so others can review them.
Check the real conditions first： Faced with conflicting drawings or site conditions, record the differences and verify first, rather than building on experience.
Do a small trial first： Stay sensitive to fall, crushing, and live-part risks, and would rather confirm protective measures once more than skip a step.
Work pressure and occupational boundaries
The main risks center on hoistway and height work, safety device inspection, drawing and equipment material versions, and release beyond authority; most can be reduced through work procedures, review and signing, and documentation, but cannot be eliminated entirely.
The occupational profile supports tasks and work context, and the registered regulations support duties only within their jurisdiction; the risk scenarios, possible consequences, and responses are an editorial summary, not incident probabilities, specific equipment work procedures, or unified penalty conclusions.
Typical scenario：Citing a superseded drawing version or expired equipment materials.
Main positions：Installation and commissioning position
Possible consequences：May cause installation deviations or mismatched parts, leading to rework and downtime.
Entering the field, qualifications, and career development
The typical U.S. BLS entry point is a four-year apprenticeship program, which relevant experience may shorten; the O*NET education survey and Job Zone Three serve only as preparation level references. In China, the individual repair T qualification, unit installation license, and inspection qualifications are separate, and education follows the posting.
Career prospects and transitions to related occupations
U.S. projected 6% growth for this occupation over 2025—2035,24,700 employed in 2025 and 1,900 annual openings; an overall projection, not AI-attributed, and openings include growth and replacements.
United States · O*NET-SOC 47-4021.00 (Elevator and Escalator Installers and Repairers)
6%
Employment growth
Growth is faster than average, reflecting continuing demand for installation and maintenance personnel from construction projects and the existing stock of elevators and escalators.
Cannot show：A projection is not the actual outcome and does not constitute a personal employment guarantee.
Assembles, installs, commissions, repairs, and maintains electric or hydraulic passenger and freight elevators, escalators, moving walkways, and dumbwaiters: positions guide rails and the car per drawings, connects and commissions electrical controls, troubleshoots braking and door operator faults, and completes safety inspections and maintenance records per regulations.
This occupation deals specifically with vertical transportation equipment such as elevators and escalators and involves hoistway work, traction systems, and safety devices; electricians work on building and industrial electrical systems; HVAC technicians work on heating, ventilation, air conditioning, and refrigeration equipment.
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 only verifies work-style preferences,It does not test physical fitness or skills, does not test special equipment operation certificates, and does not make a hiring conclusion.
Verify with one paper work task:You are given fictional drawings, hoistway conditions, and a checklist; see whether you can lay out the installation sequence and write the key dimensions and safety device inspection items.
It revolves around the installation, commissioning, repair, and maintenance of elevators and escalators: first check the drawing versions and equipment materials and confirm the hoistway and load-bearing conditions, then complete guide rail and car positioning, electrical control connections, and safety device commissioning, and finally test per criteria and produce traceable installation or maintenance records.
Includes mechanical, electrical, and safety devices
Main deliverables are installation and maintenance records
Complete means the full chain from confirming the basis and scope, checking site conditions, working per procedures, testing and review, to delivery and closure; If any step lacks basis, records, or signature, the conclusion cannot be passed forward.
| Dimension | Main directions | Comparison direction |
|---|---|---|
| Drawings and materials | Versions are consistent with the equipment materials | Record the basis and open items, and stop and escalate on conflict |
| Site conditions | Hoistway dimensions and load-bearing conditions are stated | Record the sources and uncertainties |
| Work and recording | Work per safety procedures with documentation | Protective measures and a standby attendant cannot be omitted |
| Functional testing | Completed and recorded per criteria | Do not substitute processed data for original records |
| Safety devices | Checked and commissioned item by item | Confirmed and signed by certified personnel |
| Corrective action closure | Abnormal items corrected and retested | Keep the basis and the responsible person |
| Delivery archiving | Records enter the controlled ledger | Keep the responsible person and the basis |
Position guide rails, the car, and the door system per drawings, recording fastening and clearance checks.
Connect electrical and signal systems and record parameters and functional tests per equipment materials.
Check the speed governor, safety gear, and door locks, and report and handle anomalies per procedures.
Locate braking, door operator, and control faults, retest, and record.
Carry out maintenance on schedule and record anomalies and closure of corrective action.
Provide controlled records and on-site support, with statutory inspection and delivery per the authorized entity's requirements.
This occupation deals specifically with vertical transportation equipment such as elevators and escalators and involves hoistway work, traction systems, and safety devices; electricians work on building and industrial electrical systems; HVAC technicians work on heating, ventilation, air conditioning, and refrigeration equipment; general maintenance personnel handle general facility repair and usually do not carry out the statutory inspection and release of special equipment.
Elevators, escalators, and moving walkways
Takes on installation, commissioning, and maintenance conclusions
Apprenticeship and special equipment operation certificate
The U.S. figure is for this single occupation
| The object is piping and fluid systems, and the work mainly covers pipeline laying and pressure systems. |
| Choose that occupation if you prefer piping systems; choose this occupation if you prefer vertical transportation equipment. |
| Heating, air conditioning, and refrigeration mechanics and installers | Installs and repairs heating, ventilation, air conditioning, and refrigeration equipment. | The object is HVAC and refrigeration equipment and does not involve hoistways and traction systems. | Choose that occupation if you prefer HVAC; choose this occupation if you prefer elevators and escalators. |
|---|
| General maintenance personnel | Carries out routine repair and maintenance of buildings and equipment. | Handles general repair of many facilities and usually does not carry out statutory inspection and release of special equipment such as elevators. | Choose that occupation if you prefer general maintenance; choose this occupation if you prefer specialized work on special equipment. |
|---|
| Mechanical millwrights | Installs and aligns machinery at factories or construction sites. | The object is industrial machinery and transmission systems, mostly not in hoistways or confined spaces inside buildings. | Choose that occupation if you prefer industrial machinery installation; choose this occupation if you prefer building vertical transportation equipment. |
|---|
| Structural iron and steel workers | Fabricates and installs building steel structures and metal components. | The object is building steel structures, the work is mainly welding and rigging, and it does not include elevator control systems. | Choose that occupation if you prefer steel structure work; choose this occupation if you prefer electromechanical equipment work. |
|---|
Adjacent directions differ in equipment object (elevators and escalators, building electrical, water supply and drainage and steam, HVAC, steel structures and sheet metal, general electromechanical repair), work methods (hoistway installation and commissioning, pipeline installation, equipment repair and maintenance), and entry (apprenticeship, special operation certificates, manufacturer and regulatory authorization); before choosing, check the target position's actual tasks and requirements.
Compare in the order of “first whether the equipment object is vertical transportation or another building system, then whether it is installation and commissioning or repair and maintenance, and finally qualifications.”
Refers to tasks the tool can complete under controlled conditions, such as drawing and material retrieval, record organization, and scheduling estimates; it does not mean it can be used directly for field work and inspection.
Depends on whether equipment materials are digitized, whether networking is available, whether data and permissions are controllable, and the organization's work and inspection rules.
Refers to changes in employment and task structure, which require industry-level statistics; technical capability and adoption cannot directly imply job outcomes.
| Work direction | Task | Current changes | Human control points |
|---|---|---|---|
| Drawings and materials | Read drawings and check equipment and civil works interfaces | Can assist: retrieve drawings and manufacturer materials and organize interface lists. | Interface dimensions and load-bearing conditions are checked and confirmed on site by certified personnel. |
| Installation and positioning | Install and position guide rails, the car, and the door system | Can assist: organize the installation sequence and checklists. | Positioning accuracy, fastening, and safety clearances are confirmed and recorded by on-site personnel. |
| Electrical and control | Connect and commission electrical control and signal systems | Can assist: organize wiring tables and parameter lists. | Wiring, parameters, and functional tests are reviewed by certified personnel and documented. |
| Troubleshooting | Locate braking, door operator, and control system faults | Can assist: retrieve fault codes and historical work orders. | Fault causes and handling plans are judged and retested by on-site personnel. |
| Safety device commissioning | Commission safety devices such as the speed governor, safety gear, and door locks | Not automatically authorized | The commissioning and conformity conclusions of safety devices must be carried out by certified personnel per regulations. |
| Maintenance and recording | Carry out maintenance and produce inspection records | Can assist: generate maintenance records and reminders. | Inspection conclusions and corrective items are confirmed and signed by certified personnel. |
| Boundaries and anomalies | Identify uncertainty and out-of-bounds situations | Conditions for adoption: drawing versions, equipment materials, data, and permissions are reliable. | Stop and escalate on an unclear basis, conflicting parameters, or overreach. |
The following task tables, directions, processes, and responses are editorial trial suggestions based on occupational tasks; tool capability, actual adoption, effects, and job causality each require independent evidence.
New installation, maintenance, and modernization, and the regulatory and working conditions of commercial high-rise, residential, and public transport scenarios differ, and AI plays a different role in each.
What AI mainly changesDrawing checking and installation checklist organization can be accelerated.
Still the responsibility of peopleHoistway positioning, rigging, and safety clearance confirmation remain the on-site personnel's responsibility.
What AI mainly changesFault retrieval and maintenance record generation can be assisted.
Still the responsibility of peopleFault judgments, safety device inspections, and corrective action confirmation remain the certified personnel's responsibility.
What AI mainly changesModernization materials and interface list organization can be assisted.
Still the responsibility of peopleModernization plans and compliance judgments remain the responsibility of certified personnel and the organization.
The following are editorial suggestions for tool trial and review, not a unified industry system or statutory work procedures.
Check the drawing versions, equipment materials, and work permits, and record the basis and open items.
Confirm inputs such as hoistway dimensions, load-bearing conditions, and shutdown windows, and record the sources and uncertainty.
Complete installation, commissioning, or maintenance per safety procedures and record parameters and inspection results item by item.
Complete functional and safety tests per criteria, with certified personnel reviewing and signing the records.
Confirm that corrective items are closed and write the conclusions and limits into the delivery records.
May cause installation deviations or mismatched parts, leading to rework and downtime.
Control method:Control method: go by controlled drawings and the manufacturer's latest materials, and check the version and scope of application before citing.
May omit site conditions and safety device requirements, leaving hidden hazards.
Control method:Control method: tool output is only a draft; work judgments and conformity conclusions are reviewed and signed by certified personnel.
Can cause serious injuries such as falls and crushing.
Control method:Control method: implement protective measures and a standby attendant per work procedures, and keep work permits and inspection records.
May let equipment run with defects, threatening passenger safety.
Control method:Control method: inspect item by item per regulations and the checklist, keep records, and close corrective action.
May put unverified equipment into service and amplify safety and compliance risk.
Control method:Control method: confirm authority per regulations and organizational rules, and stop and escalate on overreach.
First build a solid mechanical and electrical foundation and try to enter a registered apprenticeship or school-enterprise cooperation program to accumulate on-site records.
Hand material retrieval and record organization to tools while retaining the judgment rights over on-site decisions, safety device commissioning, and release, and document them.
First check the target region's requirements for the special equipment operation certificate and apprenticeship experience, and demonstrate ability with checkable work and inspection records.
Define the scope of tool use, review responsibility, and release authority, and ensure safety device and inspection conclusions are made by qualified and authorized personnel.
It cannot be inferred that way. Tools can speed up material retrieval, record organization, and scheduling, but hoistway work, fault judgments, and safety device commissioning still need to be handled by certified personnel.
Source:O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and RepairersOriginal materials ↗
No. Tool output is only a draft; fault judgments and conformity conclusions must be reviewed on site by certified personnel and signed per regulations and organizational rules.
Source:O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and RepairersOriginal materials ↗
Editorial suggestion: trial material retrieval and record drafts on non-sensitive, non-real work materials and review each item's source and conditions; actual time savings must be compared and verified and are not guaranteed in advance.
Source:O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and RepairersOriginal materials ↗
Demonstrate with installation, commissioning, and maintenance records from an apprenticeship or internship, and write clearly the basis, parameters, and review process.
Source:O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and RepairersOriginal materials ↗
The focus is special equipment regulations and safety procedures, the commissioning methods of mainstream manufacturers' equipment and control systems, and the organization's work and inspection rules.
Source:O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and RepairersOriginal materials ↗
Yes. New installation leans toward hoistway positioning and whole-unit commissioning, while maintenance leans toward troubleshooting and periodic inspection, and direction choices must be checked against the target position.
Source:O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and RepairersOriginal materials ↗
They can only serve as a direction reference. Employment and wages are statistical framings, and actual requirements depend on the target region's special equipment regulations, apprenticeship programs, and job postings.
Source:O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and RepairersOriginal materials ↗
Technical capability, actual adoption, and job outcomes are judged separately and do not substitute for one another.
Insufficient evidence: a single recruitment quote is not used to substitute for occupational wages
Historical case status
| Position or scope | Pay and disclosure situation | Scope of application and gaps |
|---|---|---|
| Entry requirements | Vocational school or above plus a special equipment operation certificate | Education and discipline are verified against the job posting; the individual elevator repair T qualification applies to repair and maintenance, while unit installation licenses and inspector qualifications are obtained separately. |
| On-the-job training | Apprenticeship mentoring and manufacturer training | On-the-job training focuses on the mechanical and electrical structure of elevators and escalators, control system commissioning, safety device inspection, and organizational work and inspection rules. |
| Qualifications and work authorization | Operation certificate and organizational release | The installation (including repair) unit license, the individual repair T qualification, and inspection qualifications are separate; an individual certificate must not be treated as authorization for whole-unit inspection or release. |
| Occupation-level wage framing | National single occupation | Occupation-level wage framing: insufficient evidence, no national single-occupation distribution was obtained. |
If you see a recruitment figure, first check whether it is monthly salary, annual salary, piece rate, an allowance, or another framing.
The elevator and escalator manufacturing and installation direction needs installation, commissioning, and acceptance support positions.
Industry averages are not used to substitute for occupational wages.
The equipment maintenance and service direction needs periodic maintenance and troubleshooting positions.
Must be checked against the specific position.
The building and property equipment management direction needs equipment management and maintenance coordination positions.
Must be checked against the specific position.
Insufficient evidence: no Chinese occupation-level data on AI adoption, actual benefits, or causal wage or demand effects for elevator installation and repair was obtained; tool trials are editorial suggestions.
| High end | 158,890 USD/year (national 90th percentile, 2025) | National 90th percentile | High end: 90th percentile 158,890 USD/year, usually related to equipment type, region, qualifications, and experience. |
|---|
Pay · 10th percentile：59,270 USD/year (national 10th percentile, 2025)；National 10th percentile； not an entry-level starting salary.
Pay · 25th percentile：79,290 USD/year (national 25th percentile, 2025)；National 25th percentile, from the same wage statistical framing.
Pay · median：109,910 USD/year (52.84 USD/hour, May 2025)；National median (May 2025)； half of practitioners are below and half above this value.
Pay · 75th percentile：135,720 USD/year (national 75th percentile, 2025)；National 75th percentile, from the same wage statistical framing.
Pay · 90th percentile：158,890 USD/year (national 90th percentile, 2025)；National 90th percentile； does not represent continuous paid hours or total income.
The statistical subject is the U.S. O*NET-SOC 47-4021.00 single occupation “Elevator and Escalator Installers and Repairers,” meaning positions that install, repair, and maintain elevators, escalators, and moving walkways, and is not equivalent to electricians or HVAC technicians.
and cannot be directly extrapolated. No Mainland China national single-occupation wage percentile precisely corresponding to this occupation was obtained, and neither industry or broad personnel-category averages nor recruitment quotes can substitute.
No. The median and percentiles are statistics; individual pay depends on equipment type, work setting, region, qualifications, and experience, and openings do not equal hiring probability.
Use it to understand magnitude and framing: first check the occupation, region, period, and units, then whether it is monthly, annual, or hourly, and keep U.S. and Chinese framing in separate columns.
| Industry | Original source value | How to understand |
|---|---|---|
| Government (excluding state and local education and hospitals) | 116,480 USD/year (May 2025 occupation × industry median) | The elevator installation and repair occupation median in the government group, not the wages of all public employees. |
| Building equipment contractors | 113,290 USD/year (May 2025 occupation × industry median) | This occupation's median among building equipment contractors, not the average of machinery manufacturing. |
| Educational services (state, local, and private) | 98,300 USD/year (May 2025 occupation × industry median) | This occupation's median in educational services, not teacher wages. |
| Period | May 2025 wage data | Wages May 2025; outlook 2025—2035. |
The median is 109,910 USD/year in 2025 (52.84 USD/hour); half of practitioners are below and half above this value.
Industry and setting: new installation versus maintenance and equipment type versus work setting differ, and pay differs, so the job title alone should not be used.
U.S. state-level elevator-related licensing requirements and task scope affect the work you can take on; China's individual T qualification cannot be extrapolated to the U.S., and wages are not an estimate of certificate returns.
The employment projection base period, not the OEWS wage sample headcount.
An overall employment projection, not AI-attributed； does not equal an individual hiring probability.
Openings include growth and replacements, not a ten-year net gain.
O*NET occupational interest baseline
Realistic (R) — oriented toward equipment, tools, and field work; Conventional (C) — recording and checking per procedures and checklists.
Interest code RC is used only to explain work activity preferences and not as a capability, hiring, or personality conclusion.
Are you willing to write the work basis and parameters clearly?
Use a fictional installation record to check whether the drawing version, dimensions, and inspection items are written clearly.
Do not use it this way:Not used for personality diagnosis or hiring conclusions.
Learn about my career interestsDo you confirm the work permit and protective measures before starting?
Use fictional work scenarios to observe whether permits, protective measures, and standby arrangements are confirmed first.
Do not use it this way:Not used for a qualification conclusion.
Learn about my Big Five traitsAre you willing to repeatedly check dimensions and clearances on site?
Use one assembly task to see whether key dimensions are checked against criteria.
Do not use it this way:Not used for capability scoring.
Learn about my personality preferencesCan you align interfaces with civil works, electrical, and manufacturers?
Use an interface list to see whether the division of responsibility and handover conditions are written clearly.
Do not use it this way:Not used for a hiring conclusion.
Learn about my motivation cuesAre you willing to keep updating your knowledge of regulations and equipment?
Check with learning records on regulation and equipment updates.
Do not use it this way:Not used for a personality conclusion.
Learn about my cognitive performanceCan you still complete inspections under shutdown window pressure?
Use schedule-crunch assumptions to see whether inspection and signing steps are retained.
Do not use it this way:Not used for capability scoring.
Learn about my communication cuesBetter match:Willing to check guide rail and car positioning per drawings and criteria.
Note:Does not substitute experiential values for measurement and self-checks.
Better match:Willing to verify wiring and parameters and test item by item.
Note:Does not reuse commissioning conclusions from similar equipment.
Better match:Wiring, measurement, and on-site safety awareness are transferable.
Note:Building distribution, circuits, and local electrical work permits must be added.
View related occupations:Electricians (electricians)Better match:Drawing reading, installation, and on-site collaboration experience is transferable.
Note:Piping materials, connections, pressure testing, and the corresponding permits must be added.
View related occupations:Plumbers, Pipefitters, and Steamfitters (plumbers-pipefitters-and-steamfitters)Better match:Equipment installation, electrical fundamentals, and fault analysis are transferable.
Note:Refrigeration cycles, HVAC systems, and refrigerant-related qualifications must be added.
View related occupations:Heating, Air Conditioning, and Refrigeration Mechanics and Installers (heating-air-conditioning-and-refrigeration-mechanics-and-installers)Better match:Drawing reading, measurement, component assembly, and collaboration experience is transferable.
Note:Development, cutting and forming, and sheet metal joining skills must be added.
View related occupations:Sheet Metal Workers (sheet-metal-workers)Suited to people who are willing to work per procedures, write the basis and parameters clearly, and take on equipment safety responsibility; not suited to people who skip steps based on experience, are unwilling to document, or are unwilling to be reviewed.
The U.S. O*NET new-hire education survey shows 47% high school, 47% postsecondary certificate, and 5% associate's; Chinese position education requirements are checked against the posting.
In the U.S., elevator licensing requirements are checked by state; in China, the individual repair T qualification applies to repair and maintenance, while installation unit licenses and inspection qualifications are checked separately.
Seek a registered apprenticeship or school-enterprise cooperation program, demonstrate ability with installation, commissioning, and maintenance records, and write clearly the basis, parameters, and review process.
Material retrieval and recording tasks can be assisted by tools, but hoistway work, fault judgments, and safety device commissioning remain the certified personnel's responsibility.
The 2025 median annual wage for this U.S. single occupation is 109,910 USD; no corresponding single-occupation percentile was obtained for Mainland China, and U.S. figures cannot be directly extrapolated.
Mainly hoistways, machine rooms, and escalator sites in construction projects and existing buildings, requiring height and confined space work and coordination with elevator shutdown construction windows.
Mechanical and electrical fundamentals, special equipment regulations and safety procedures, control system commissioning and troubleshooting, measurement and inspection methods, and on-site collaboration and recording capability.
Complete a full closed loop with one paper work task: read the fictional drawings and hoistway conditions, lay out the installation sequence, and write the key dimensions and safety device inspection items.
This page is a career exploration reference and does not constitute a work permit, an inspection, or a hiring basis; actual requirements follow local special equipment regulations and job postings.
Reduce risk：Go by controlled drawings and the manufacturer's latest materials, and check the version and scope of application before citing.
Basis：O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and Repairers
Typical scenario：Carrying out hoistway, height, or confined space work without the required protective measures.
Main positions：Field work position
Possible consequences：Can cause serious injuries such as falls and crushing.
Reduce risk：Implement protective measures and a standby attendant per work procedures, and keep work permits and inspection records.
Basis：O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and Repairers
Typical scenario：Treating AI or software output directly as the basis for work and judgments.
Main positions：Troubleshooting and commissioning position
Possible consequences：May omit site conditions and safety device requirements, leaving hidden hazards.
Reduce risk：Tool output is only a draft; work judgments and conformity conclusions are reviewed and signed by certified personnel.
Basis：O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and Repairers
Typical scenario：Not inspecting or commissioning safety devices such as the speed governor, safety gear, and door locks per regulations.
Main positions：Maintenance and inspection support position
Possible consequences：May let equipment run with defects, threatening passenger safety.
Reduce risk：Inspect item by item per regulations and the checklist, keep records, and close corrective action.
Basis：O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and Repairers · Standing Committee of the National People's Congress: the Special Equipment Safety Law of the People's Republic of China (Presidential Order No. four)
Typical scenario：Releasing equipment or signing inspection conclusions without qualifications or authorization.
Main positions：Acceptance and release position
Possible consequences：May put unverified equipment into service and amplify safety and compliance risk.
Reduce risk：Confirm authority per regulations and organizational rules, and stop and escalate on overreach.
Basis：O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and Repairers · Standing Committee of the National People's Congress: the Special Equipment Safety Law of the People's Republic of China (Presidential Order No. four)
Typical scenario：Carrying out electrical or mechanical work without the required de-energization and tagging.
Main positions：Electrical and mechanical work position
Possible consequences：Can cause electric shock or mechanical injury.
Reduce risk：Carry out de-energization, tagging, and verification per procedures, and keep work permit records.
Basis：O*NET OnLine — 47-4021.00 Elevator and Escalator Installers and Repairers · Standing Committee of the National People's Congress: the Special Equipment Safety Law of the People's Republic of China (Presidential Order No. four)
| Entry directions | What you mainly do initially | Employer requirements and observation basis | How to demonstrate ability without experience | Differences from other directions |
|---|---|---|---|---|
| Entry in installation and positioning | Takes part in hoistway layout, guide rail installation, and component assembly under mentorship. | Mechanical drawing reading and physical and safe work fundamentals. | Show the process with installation participation records and self-check reports. | Leans toward new installation; attention to positioning accuracy and safety clearances. |
| Entry in electrical and control | Completes wiring, parameter setting, and functional test support under guidance. | Electrical drawing reading, measurement, and control fundamentals. | Show rigor with wiring tables and test records. | Leans toward commissioning; attention to parameters and safety circuits. |
| Entry in maintenance and inspection | Carries out periodic maintenance and inspection under mentorship and records it. |
Check the education and apprenticeship or internship experience requirements in the job posting, and record the posting date and whether it is still open.
Check the special equipment operation certificate and manufacturer training requirements, and record the applicable category and competent unit.
Check the explicit skill requirements for elevator or escalator brands, control systems, and troubleshooting.
Check the requirements for safe work records, checklists, and corrective action closure, distinguishing “aware of” from “proficient in”.
Write an installation and inspection checklist from fictional drawings and hoistway conditions, stating the key dimensions.
Record wiring, parameters, and functional tests, stating the criteria and limits.
List inspection items and corrective requirements item by item per fictional regulatory clauses.
Simulate one fault handling case and write clearly the cause localization, handling, and retest.
| Scenario | What to check | How to observe | What cannot be inferred from it |
|---|---|---|---|
| Interview | Can they explain the work basis, safety procedures, and inspection points? | Check whether the drawing version, protective arrangements, and open items are written clearly. | Where conditions do not match, the organization and the position decide, not the individual. |
| Hands-on or skills assessment | Can they complete one assembly, commissioning, or inspection per procedures? | Check whether dimensions, parameters, protective measures, and records comply. | If not passed, they must not independently take on safety device commissioning and release. |
| Apprenticeship and mentorship period | Completes installation, maintenance, and fault handling under supervision with documentation. |
| Qualification / preparation item | Who it mainly suits | Practical value in job seeking | Whether it is a common entry requirement | Application / processing conditions | Investment considerations | Important limitations |
|---|---|---|---|---|---|---|
| High school or equivalent | The starting point for most entry-level position candidates | Yes: about 47% of O*NET survey responses required high school | Yes: a common basic education | Apply per apprenticeship program requirements | Apprenticeship and on-the-job training investment | Education is not the same as an operation certificate or release authority |
| Postsecondary certificate (electromechanical) |
Gives drawing versions, hoistway dimensions, and load-bearing conditions as exercise input.
Exercise output: list the installation sequence, key dimensions, and open items.
Gives applicable clauses, inspection items, and criteria.
Exercise output: write the criteria source and scope of application for this inspection.
Gives parameters, test results, and records, including one out-of-limit value and one missing item.
Exercise output: mark the out-of-limit and missing items and write the retest and review requirements.
Lists the reference deliverables and the scope that must not be exceeded (no real live work, hoistway work, or height work involved).
Copy one applicable clause and write its scope of application and uncertain points.
Use fictional drawings to organize the installation sequence and inspection items, marking assumptions and open items.
Check one key dimension or clearance per the excerpt and record the source.
Write pass criteria, measurement conditions, and recording requirements.
List maintenance and safety device inspection items per fictional regulations.
Change one hoistway condition and one criterion respectively and write clearly the impact scope and items to retest.
Summarize the conditions under which you must stop and escalate, producing a one-page review record.
Typical duties：Takes part in hoistway layout, guide rail installation, and component assembly under a mentoring master's guidance.
Promotion evidence：Apprenticeship records, work participation, and safety training records.
Qualification boundaries：Verified per work location and unit.
Next step：Independently completes routine component installation.
Typical duties：Independently completes the installation and initial positioning of guide rails, the car, and the door system.
Promotion evidence：Installation records and self-check reports.
Qualification boundaries：Verified per work location and unit.
Next step：Takes on whole-unit commissioning support.
Typical duties：Completes electrical control connections and functional and safety device commissioning.
Promotion evidence：Commissioning records and test reports.
Qualification boundaries：Verified per work location and unit.
Next step：Takes on whole-unit acceptance support.
Typical duties：Coordinates the installation and acceptance support for a single unit or single elevator project.
Promotion evidence：Project records and acceptance materials.
Qualification boundaries：Verified per work location and unit.
Next step：Develop toward project management.
Typical duties：Carries out periodic maintenance and inspection under mentorship and records it.
Promotion evidence：Maintenance records and inspection sheets.
Qualification boundaries：Verified per work location and unit.
Next step：Independently completes routine maintenance.
Typical duties：Independently carries out maintenance and identifies and reports anomalies.
Promotion evidence：Maintenance records and anomaly reports.
Qualification boundaries：Verified per work location and unit.
Next step：Takes on troubleshooting.
Typical duties：Locates and handles braking, door operator, and control system faults.
Promotion evidence：Fault handling sheets and retest records.
Qualification boundaries：Verified per work location and unit.
Next step：Takes on safety device inspection.
Typical duties：Assists with disassembly, assembly, and component replacement in old elevator modernization.
Promotion evidence：Modernization construction records.
Qualification boundaries：Verified per work location and unit.
Next step：Takes on modernization plan support.
Typical duties：Carries out control system and safety device updates and commissioning.
Promotion evidence：Modernization commissioning and test records.
Qualification boundaries：Verified per work location and unit.
Next step：Takes on modernization acceptance support.
Typical duties：Supports inspection per regulations and provides materials and tests.
Promotion evidence：Inspection materials and test records.
Qualification boundaries：Verified per work location and unit.
Next step：Takes on corrective action closure.
Check the drawings, equipment materials, and work permits, and record the basis and open items.
Complete installation, commissioning, or maintenance per safety procedures and record item by item.
Assess the anomaly's impact, retest affected items, and submit for review, keeping the basis.
Complete the review within authorization and hand off to a qualified role for release confirmation.
United States · O*NET-SOC 47-4021.00 (Elevator and Escalator Installers and Repairers)
24,700
Employment size
Employment size and openings are not the same indicator; openings include both growth and replacements.
Cannot show：The statistics are for this single occupation and exclude electricians and HVAC technicians.
United States · O*NET-SOC 47-4021.00 (Elevator and Escalator Installers and Repairers)
1,900 per year
Projected openings
Annual openings include growth and replacements after transfers and exits, not a ten-year net gain, and do not equal an individual hiring probability.
Cannot show：An overall employment openings projection, not AI-attributed; used only for the labeled U.S. occupational level and period.
These are ability adjacency relationships and do not represent automatic promotion or exemption from further study.
Transferable：Electrical measurement, wiring, and on-site safety experience.
Needs to be filled in：Building power distribution, circuit installation, and local electrical permits must be added.
View occupation detailsTransferable：Drawing reading, on-site installation, and tool operation.
Needs to be filled in：Piping materials, joining processes, pressure testing, and local qualifications must be added.
View occupation detailsTransferable：Electromechanical system installation and fault localization.
Needs to be filled in：Refrigeration cycles, HVAC commissioning, and refrigerant-related requirements must be added.
View occupation detailsTransferable：Equipment servicing, inspection, and anomaly recording.
Needs to be filled in：The boundaries of general building and other equipment repair must be added, and specialized electrical or piping work requires separate permits.
View occupation detailsTransferable：Mechanical assembly, alignment, and on-site collaboration.
Needs to be filled in：Industrial machinery installation, transmission systems, alignment, and lifting requirements must be added.
View occupation detailsTransferable：Drawing reading, dimension measurement, and metal component installation.
Needs to be filled in：Sheet metal development, forming, cutting, and joining processes must be added.
View occupation detailsTransferable：Height protection, rigging support, and installation collaboration.
Needs to be filled in：Steel structure drawing reading, connections, and the corresponding welding or rigging qualifications must be added.
View occupation detailsTransferable：On-site coordination, quality records, and safety awareness.
Needs to be filled in：Cross-trade construction organization, scheduling, and personnel management must be added; supervisor authority and qualifications are checked separately.
View occupation detailsUnder the U.S. O*NET-SOC 47-4021.00 “Elevator and Escalator Installers and Repairers” single-occupation framing, which O*NET marks as Bright Outlook.
BLS OES／O*NET show a 2025 national median annual wage of 109,910 USD (median hourly wage 52.84 USD); the quintiles are 59,270／79,290／109,910／135,720／158,890 USD.
O*NET/BLS show about 24,200 employed in 2024, projected growth faster than average over 2024—2034 (5%—6%), and about 2,000 projected openings per year; openings include growth and replacements.
The National Bureau of Statistics materials checked here reach only industry and broad personnel-category framing and do not provide a national single-occupation wage percentile precisely corresponding to this occupation; this page registers insufficient evidence accordingly and does not substitute industry averages or a single recruitment quote.
In the U.S. O*NET survey, about 47% of responses required high school or equivalent, 47% a postsecondary certificate, and 5% an associate's degree; the path is usually registered apprenticeship plus an elevator-related license or qualification as required by the jurisdiction. Mainland China: elevators are special equipment, and the relevant operating personnel must obtain the corresponding qualifications per state rules (Article fourteen of the Special Equipment Safety Law of the People's Republic of China); elevator installation, modification, and repair must be carried out by the manufacturer or a licensed unit it commissions (Article twenty-two), and maintenance must be carried out by the manufacturer or a unit that has lawfully obtained an installation, modification, or repair license (Article forty-five); specifics follow job postings and market regulation department rules.
Material retrieval, drawing organization, scheduling, and record drafts can be assisted by tools, but hoistway and height work, mechanical and electrical fault judgments, safety device commissioning, and compliance conclusions remain the certified personnel's responsibility; public sources are insufficient to conclude changes in job numbers.
Mainly hoistways, machine rooms, and escalator sites in construction projects and existing buildings, requiring height and confined space work, with work often needing to be completed within a specified time and coordinated with elevator shutdown construction windows.
It can only serve as a direction reference. Employment and wages are statistical framings, openings do not equal hiring probability, and U.S. figures cannot be extrapolated to Mainland China; actual requirements follow local special equipment regulations and job postings.
FermatMind research workflow
2026-10-11 (author check of nine modules; other modules were not re-reviewed)
Source register and fact register for this page (O*NET, BLS OES／OOH, National Bureau of Statistics, etc.)
Limitations of use：The entry page does not carry this occupation's figures.
Limitations of use：Does not carry this occupation's wage or demand figures.
Limitations of use：The entry page does not carry this occupation's figures.
Limitations of use：Applies only to the U.S. framing; the median is not a starting salary, and openings are not net gains.
Limitations of use：Sets out the statutory requirements for special equipment (including elevators) production, operation, use, and operating personnel qualifications, and does not constitute a unified education threshold for all positions; specifics follow the original statute and the competent authority's (market regulation) rules.
Limitations of use：Does not carry this occupation's adoption rate or job outcome data.
Limitations of use：Applies only to the adjacent occupation, used to explain direction differences.
Limitations of use：Applies only to the adjacent occupation, used to explain direction differences.
Limitations of use：Applies only to the adjacent occupation, used to explain direction differences.
Limitations of use：Applies only to the adjacent occupation, used to explain direction differences.
Limitations of use：The entry page does not carry occupation-level wage distributions.
Limitations of use：Interest results are not used for capability or hiring conclusions.
Limitations of use：Cannot substitute for occupation-level wages; used only to explain framing boundaries.
Limitations of use：International materials do not provide this occupation's adoption or displacement rate data.
Limitations of use：Explains statistical methods and does not substitute for specific occupational figures.
Limitations of use：Applies only to that single occupation and does not represent other building equipment positions or Chinese positions.
Limitations of use：Does not provide this occupation's adoption rate or job change data.
Limitations of use：Applies only to the adjacent occupation and is not used for this occupation's wage conclusions.
Limitations of use：Applies only to the U.S. framing; does not represent Mainland China education and operation certificate requirements.
Limitations of use：Method descriptions do not substitute for specific occupational figures.
Limitations of use：Does not substitute for a specific country's or organization's work permit and inspection systems.
Limitations of use：Applies only to the adjacent occupation, used to explain direction differences.
Limitations of use：Applies only to that single occupation; a percentile is not a seniority level.
Limitations of use：Applies only to the adjacent occupation, used to explain direction differences.
Limitations of use：An individual repair qualification is not the same as a unit production license, installation inspection, or equipment release qualification; specific positions follow competent authority requirements.
Limitations of use：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.
The nine modules this round were checked against the listed primary materials and their specific periods; the Hero, SEO, FAQ, and shared facts retain the frozen versions, and any period or scope differences are listed in the author report, with no full-page consistency acceptance performed. Education, apprenticeship experience, license, and operation certificate requirements in a job posting must be read item by item; one relaxable item does not mean other conditions can be substituted. Chinese and U.S. data are in separate columns: the U.S. is the O*NET-SOC 47-4021.00 single-occupation statistic (May 2025 wages, 2024—2034 outlook), while Mainland China figures are industry and broad personnel-category framing, with no precise occupational percentile obtained. This page does not constitute a work permit, an inspection, or a compliance conclusion; the installation, inspection, and release of elevators and escalators may only be carried out by qualified and authorized individuals under applicable regulations and organizational rules.
Test whether my career interests suit elevator installation and repair · Learn about my Big Five traits · Learn about my personality type · Learn about my career anchors
No corresponding single-occupation percentile was obtained
This page does not replace special equipment regulations
| Show regularity with maintenance records and inspection sheets. |
| Leans toward maintenance; attention to periodic inspection and anomaly reporting. |
| Entry in troubleshooting | Locates braking, door operator, and control system faults under guidance. | Fault analysis and instrument use fundamentals. | Show the judgment process with fault handling sheets and retest records. | Leans toward emergency repair; attention to cause localization and retesting. |
|---|
| Entry in modernization and inspection support | Assists with old elevator modernization and inspection material preparation. | Modernization processes and regulatory awareness. | Show compliance awareness with modernization records and inspection support materials. | Leans toward modernization and inspection support; attention to regulations and release boundaries. |
|---|
| Check work permits, inspection records, and process compliance. |
| Any overreach or violation means immediate stop and retraining. |
| Independent work period | Independently completes work within authorization and supports inspection. | Check safety device inspections, corrective action closure, and records. | Violations or overreach are handled per organizational rules. |
|---|
| Depends on the position: about 47% of responses required a certificate |
| No: it is not a common requirement |
| Apply per institution and program requirements |
| One to two years of study plus internship investment |
| A certificate must be combined with position skills and regulatory requirements |
| Associate's degree (mechatronics, etc.) | Some technical or management positions | Depends on the position: about 5% of responses required an associate's | No: it is not a common requirement | Apply per institution and program requirements | Two years of study plus internship investment | An education level is not the same as position release authority |
|---|
| Registered apprenticeship training | The typical U.S. entry path | Yes: a common path for this occupation | Yes: a common U.S. path | Apply through a union or employer program | Several years of on-the-job training and assessment investment | Valid only within its applicable program and region |
|---|
| Elevator-related license or qualification | Positions carrying installation, maintenance, and release | Depends on the jurisdiction: usually required | No: verified per jurisdiction and position | Meet examination and experience requirements per local rules | Examination, qualification, and maintenance costs | Valid only within its applicable jurisdiction and business scope |
|---|
| Elevator repair T qualification (Mainland China) | Personnel engaged in elevator repair and maintenance | Qualification is checked per that operation item | Not the same threshold for all installation or inspection positions | Take the examination and apply per the competent authority's current conditions | Examination, review, and training costs are verified with the local processing agency | An individual qualification is not the same as an installation unit license or inspection release right |
|---|
Typical duties：Coordinates maintenance quality, records, and corrective action closure in the assigned area.
Promotion evidence：Maintenance ledger and corrective action records.
Qualification boundaries：Verified per work location and unit.
Next step：Develop toward service management.
Typical duties：Handles technical and quality issues within authorization.
Promotion evidence：Technical plans and quality records.
Qualification boundaries：Verified per work location and unit.
Next step：Develop toward technical management.
