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Electromechanical equipment assemblers position and fasten parts, wire, measure, test, and document according to approved drawings and specifications. The core goes beyond putting components together: maintain consistent versions, tolerances, wiring, and test conditions, and stop whenever conflicts arise or safety status is unclear.
Direct assessment: electromechanical equipment assemblers assemble, connect, measure, test, and document electromechanical components according to drawings and specifications.
Fit signals: patiently align parts, check versions, measure tolerances, and retain anomalies.
This page covers 51-2023.00 electromechanical equipment assemblers, who assemble or modify electrically powered mechanical equipment; O*NET14 tasks, RCI, and Zone1–2. Positioning and fastening, wiring, measurement, testing and adjustment, and disassembly and assembly are all included tasks, without equating to electronics engineering design or all repair responsibilities.
Editorial trials: organize bills of materials, process versions, and assembly record fields in approved environments; check each against approved drawings and physical objects. AI must not determine tolerances or release products.
Before adoption, define approved documents, data permissions, human review, and procedures for discontinuing use.
Drawings and customer specifications may be sensitive; export, retention, and access scopes must be explicit.
Insufficient evidence: this round did not establish a nationwide mainland Chinese occupation-specific wage distribution for electromechanical equipment assemblers, and this page does not provide that figure. National Bureau of Statistics 2025 materials cover wages by industry or personnel category; they cannot be treated as personal medians, and this page does not substitute industry proxy values for this occupation’s wages.
National Bureau of Statistics 2025 materials cover wages by industry or personnel category, and cannot be treated as personal medians.
U.S. combined occupational data: median annual wages of USD 45,850 in 2025.
Median hourly wages of USD 22.04 for the same combined scope.
51-2028 combined scope, month 5 of 2025: annual wage 10/25/50/75/90 percentile values of USD 35,350/38,380/45,850/51,670/62,950, rather than starting pay or experience labels.
Can read drawings and identify assembly sequences.
Can identify conflicts in parts, versions, and wiring.
Can correctly use paper measurement results to assess tolerances.
Can document defects without altering drawings independently.
Drawing and material conflicts
Unclear measurement conditions
Connection or protection anomalies
Work beyond authority
Entry may begin with material checks, simple assembly, labeling, measurement records, and supervised tests.
Evidence for employers should demonstrate drawing breakdowns, material checks, tolerance records, defect triage, and handovers.
Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status.
Updated BLS 51-2028 combined occupation: 246,300 employed in 2025, projected 258,700 in 2035, with growth of 5%; this is not exact data for 51-2023.
The same 2025–2035 combined scope has 25,900 annual openings, including growth and replacements, rather than net additions or current recruitment.
Core work includes reading drawings and specifications, aligning and fastening parts, connecting cables and tubing, taking precision measurements, inspecting and testing, and adjusting finished products.
Assemblers produce physical components according to specifications; electronics engineers handle design, engineering technicians support development and testing, robotics technicians install and maintain automated systems, calibration roles ensure measurement values, and repairers diagnose and repair equipment already in use.
Fit evidence comes from reading drawings, assembling in sequence, measuring precisely, documenting anomalies, and stopping when drawings or test conditions are unclear.
Caution conditions: if you tend to alter drawings based on experience, skip measurements, or disregard isolation, start with paper exercises.
Safe trials use only four fictional records, without connecting power or operating actual equipment.
Key judgments: whether versions agree, parts match, and measurements are valid, and when to stop.
Process: check versions and materials, position and assemble, connect and fasten, measure and test, and document and hand over.
Tools: hand and power tools, calipers and micrometers, fixtures, test instruments, drawings, and record forms.
Collaboration: work with process, quality, testing, materials, repair, and safety personnel responsible.
Quality: traceable parts, versions, positions, tolerances, wiring, torque, tests, and anomalies.
Do not alter drawings, bypass protection, remove isolation, or perform unauthorized energized tests on your own. O*NET U.S. education responses show 53% high school; this is a survey rather than a statutory requirement. Check actual training and authorization separately.
Electronics engineers design electronic systems; assemblers produce physical components according to approved drawings.
Engineering technicians support development and testing; assemblers focus on repeatable, controlled assembly and inspection.
Robotics technicians install and maintain automated systems; assemblers do not automatically undertake programming and repair.
Calibration roles ensure measurement values, and repairers diagnose equipment already in use; neither equates to assembling new parts.
People check physical objects, drawings, measuring instrument status, tolerances, wiring, and test conditions.
Authorized personnel decide on release, energized testing, drawing changes, and removal of isolation.
Incorrect version, polarity, or tolerance suggestions may cause rework, damage, or injury.
Task assistance, automated assembly, and net employment changes are different questions.
Start by testing with fictional records, without connecting actual equipment.
Exact Chinese occupational wages were not obtained in this round; this does not mean official data have not been published. Nationwide industry averages cannot fill in occupational medians; check city and employer offers against samples separately.
When checking role offers, record city, industry, shifts, hours, contract, allowances, period, and sample size.
This scope includes electrical, electronics, and electromechanical assemblers; it is not the exact distribution for 51-2023.00.
These data are not Chinese wages or personal offers.
Keep market, period, combined scope, and pay units consistent in comparisons.
If you like hands-on work but dislike documentation, verify with samples first.
If you would skip testing to meet output targets, choose lower-risk tasks.
O*NET shows frequent hand use and repetitive motions; standing, weights, pace, and shifts vary by role. Check through actual workstation experience, without assuming everyone stands for long periods.
Interest scales only inform questions; ultimately assess samples, training, and performance.
Missing handover records
Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown.
Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for.
The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review.
O*NET U.S. education responses show 53% high school, with Zone1–2; actual pre-job training depends on employers and product complexity. Courses and titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation.
Development progresses from accurate assembly records to complex components and quality review, without promising fixed timeframes.
| Field 1 | Field 2 | Field 3 | Field 4 | Field 5 |
|---|---|---|---|---|
| Electromechanical equipment assemblers entry step 1 | Entry may begin with material checks, simple assembly, labeling, measurement records, and supervised tests. | Evidence for employers should demonstrate drawing breakdowns, material checks, tolerance records, defect triage, and handovers. | Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status. | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. |
| Electromechanical equipment assemblers entry step 2 | Evidence for employers should demonstrate drawing breakdowns, material checks, tolerance records, defect triage, and handovers. | Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status. | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. |
| Electromechanical equipment assemblers entry step 3 | Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status. | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. |
| Electromechanical equipment assemblers entry step 4 | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. | Courses and role titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation. |
| Electromechanical equipment assemblers entry step 5 | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. | Courses and role titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation. | Development progresses from accurate assembly records to complex components and quality review, without promising fixed timeframes. |
| Field 1 | Field 2 | Field 3 | Field 4 |
|---|---|---|---|
| Electromechanical equipment assemblers check stage 1 | Evidence for employers should demonstrate drawing breakdowns, material checks, tolerance records, defect triage, and handovers. | Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status. | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. |
| Electromechanical equipment assemblers check stage 2 | Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status. | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. |
| Electromechanical equipment assemblers check stage 3 | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. |
| Electromechanical equipment assemblers check stage 4 | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. | Courses and role titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation. |
| Field 1 | Field 2 | Field 3 | Field 4 | Field 5 | Field 6 | Field 7 |
|---|---|---|---|---|---|---|
| Electromechanical equipment assemblers qualification/responsibility step 1 | Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status. | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | Confirm by work location, institution, and employer | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. | Confirmed by responsible persons |
| Electromechanical equipment assemblers qualification/responsibility step 2 | Rule: only complete versions, parts, tolerances, and test conditions allow paper release; isolate conflicts, review rework for out-of-tolerance results, and pause when isolation is unknown. | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. | Confirm by work location, institution, and employer | Courses and role titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation. | Confirmed by responsible persons |
| Electromechanical equipment assemblers qualification/responsibility step 3 | Independent reasoning: A meets all version, part, tolerance, and test condition requirements and proceeds to paper release; isolate B for version conflicts; send C for rework review because it is out of tolerance; pause D because isolation status is unknown. All four records are accounted for. | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. | Courses and role titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation. | Confirm by work location, institution, and employer | Development progresses from accurate assembly records to complex components and quality review, without promising fixed timeframes. | Confirmed by responsible persons |
| Electromechanical equipment assemblers qualification/responsibility step 4 | The seven-day trial uses only the same materials for checks, triage, recording, and retrospective review. | Courses and role titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation. | Development progresses from accurate assembly records to complex components and quality review, without promising fixed timeframes. | Confirm by work location, institution, and employer | Entry may begin with material checks, simple assembly, labeling, measurement records, and supervised tests. | Confirmed by responsible persons |
| Electromechanical equipment assemblers qualification/responsibility step 5 | Courses and role titles do not grant authority for energized testing, issuing calibration approvals, altering drawings, or removing isolation. | Development progresses from accurate assembly records to complex components and quality review, without promising fixed timeframes. | Entry may begin with material checks, simple assembly, labeling, measurement records, and supervised tests. | Confirm by work location, institution, and employer | Evidence for employers should demonstrate drawing breakdowns, material checks, tolerance records, defect triage, and handovers. | Confirmed by responsible persons |
| Electromechanical equipment assemblers qualification/responsibility step 6 | Development progresses from accurate assembly records to complex components and quality review, without promising fixed timeframes. | Entry may begin with material checks, simple assembly, labeling, measurement records, and supervised tests. | Evidence for employers should demonstrate drawing breakdowns, material checks, tolerance records, defect triage, and handovers. | Confirm by work location, institution, and employer | Fictional records: A has drawings and bill of materials both at v4, matching parts, compliant tolerances, and approved, complete test conditions; B has v4 drawings but a v3 bill of materials; C has a measurement above the upper limit; D has unknown test isolation status. | Confirmed by responsible persons |
Combined projections cannot establish exact additions for 51-2023, AI causation, or individual hiring probabilities; check overall demand context and task assistance separately.
Recruitment samples can only describe dates, regions, industries, processes, shifts, and deduplicated roles.
Transitions to engineering, robotics, calibration, or repair require additional evidence of new technologies and responsibilities.
AI can assist with checks of bills of materials, process versions, and record fields, but cannot confirm physical fits, tolerances, wiring polarity, torque, or safety isolation.
Personnel must recheck against drawings, physical objects, measuring instruments, test methods, and approved versions; tools must not automatically release finished products or issue energized testing instructions.
National Bureau of Statistics 2025 wage materials by industry and personnel category do not establish a nationwide Chinese occupation-specific wage distribution corresponding one-to-one with O*NET 51-2023.00.
U.S. 2025 combined occupational data: combined electrical, electronics, and electromechanical assemblers scope, with median annual wages of USD 45,850 and median hourly wages of USD 22.04.
Entry evidence should demonstrate drawing breakdowns, material checks, assembly sequences, tolerance records, defect triage, and handovers.
Courses, employee badges, and role titles do not automatically grant authority for energized testing, lifting, issuing calibration approvals, drawing changes, or removing isolation.
Do not release when drawing versions, part identifiers, wiring, tolerances, measuring instrument status, or test isolation are unclear; preserve the current state and escalate.
U.S. combined occupational data project employment rising from 261,400 in 2024 to 273,300 in 2034, growth of 5%, with 29,600 annual openings.
Whether entry is worthwhile should be determined through drawing checks, tolerance judgments, defect triage, and safety boundaries in paper assembly records.
Exact Chinese occupation-specific wages have not been established; U.S. wages and employment use a combined occupational scope and cannot be presented as exact data for 51-2023.00.
Paper exercises do not connect power or operate actual equipment, and do not replace site training and authorization.
Supports boundaries for calibration technicians.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET OnLine
United States
O*NET updated 2026; accessed 2026-09-06
official source
Occupation-specific
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports boundaries for electronics engineers.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET OnLine
United States
O*NET updated 2026; accessed 2026-09-06
official source
Occupation-specific
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports boundaries for electric motor and tool repair.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET OnLine
United States
O*NET updated 2026; accessed 2026-09-06
official source
Occupation-specific
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports boundaries for robotics technicians.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET OnLine
United States
O*NET updated 2026; accessed 2026-09-06
official source
Occupation-specific
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports boundaries for engineering technicians.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET OnLine
United States
O*NET updated 2026; accessed 2026-09-06
official source
Occupation-specific
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports fictional materials, AI boundaries, methods, and safety controls.
Applies only to listed occupations or combined scopes, markets, and periods.
FermatMind editorial design
Editorial design
2026-09-06
official source
Editorial synthesis
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports boundaries for Chinese wage materials.
Applies only to listed occupations or combined scopes, markets, and periods.
National Bureau of Statistics
Mainland China
2025
official source
Industry reference
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports identity, tasks, and work contexts.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET OnLine
United States
O*NET updated 2026; accessed 2026-09-06
official source
Occupation-specific
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports combined occupational projections from 2024 to 2034.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET / U.S. Bureau of Labor Statistics
United States
2024-2034
official source
combined_official
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
Supports combined occupational wages for 2025.
Applies only to listed occupations or combined scopes, markets, and periods.
O*NET / U.S. Bureau of Labor Statistics
United States
2025
official source
combined_official
Applies only to listed occupations or combined scopes, markets, and periods.
2026-09-06
51-2028 combined occupation: 246,300 employed in 2025, projected 258,700 in 2035, with growth of 5%; 51-2023 is a suboccupation within it.
U.S. Bureau of Labor Statistics
United States
Wages for month 5 of 2025; 2025–2035 projections
official occupation profile
aggregated
Does not provide exact wages, employment, or industry wages for 51-2023.
2026-10-11
Cross-industry generative AI risk management guidance.
NIST
See the original text for applicable scope
2024-07-26
primary official document
contextual
Not research into this occupation’s adoption rates or efficiency gains; specific control points are editorial recommendations.
2026-10-11