Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
Installation, Maintenance, and Repair
The setting is generating stations and substations, where equipment and circuits are tested with wiring diagrams and devices such as ohmmeters, voltmeters, and ammeters. Test data is analyzed to find faults or judge how a system is performing; manuals, schematics, and engineering staff are consulted when a problem is not obvious. Switches are opened and closed to isolate defective relays, and parts such as circuit breakers, brushes, and commutators are cleaned or replaced. Facility staff are told when equipment will be shut down, and records cover tests, repairs, and cable signal checks. It suits people who like careful electrical diagnosis, reading diagrams, and coordinating work around power systems.
Typical education: Post-Secondary Certificate (vocational/technical)
Annual Median Wage in Field (2025)
$103'020
Median Wage Market Position
$103'020
What you might do
- Inspect substation circuits with meters and diagrams
- Analyze test readings to find power-system faults
- Isolate bad relays by opening and closing switches
- Repair or clean breakers, brushes, and commutators
- Run signal and connectivity tests on station cables
- Tell generating-station staff before equipment shuts down
Skills that matter
- Measuring circuits with ohmmeters and voltmeters
- Consulting engineers and schematics to troubleshoot
- Isolating defective relays by opening switches
- Analyzing test data to judge system performance
- Repairing circuit breakers, brushes, and commutators
- Alerting facility staff before shutdowns
AI & the future of this role
Software may help interpret test readings and prioritize inspections, yet work centers on live power systems where mistakes carry serious liability. Licensed field judgment, substation access, and hands-on maintenance of relays and plant gear are likely to remain hard to automate.
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Includes O*NET® 30.3 Database information by USDOL/ETA under CC BY 4.0; modified by LostInCareer. Wage/outlook from BLS. Attribution details