DETAILED OCCUPATION DATA
49-2095 Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
Occupational Description:
Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.| Percentiles | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Geography | Employment | Emp SE* | Mean | Mean SE* | 10th | 25th | Median | 75th | 90th |
| Northeast Minnesota | N/A | 8 | N/A | $2.15/hr | N/A | N/A | N/A | N/A | N/A |
| Minnesota | 390 | 78 | $45.45/hr | $0.73/hr | $38.98/hr | $42.15/hr | $45.84/hr | $49.52/hr | $55.72/hr |
| U S | 22,650 | 657 | $39.66/hr | $0.28/hr | $26.46/hr | $33.19/hr | $40.39/hr | $46.92/hr | $52.02/hr |
| *SE = Standard error, a measure of the statistical reliability of the estimate. | |||||||||
| ||||||||||||||||||||||||||||||||
| Occupation (click title for details) | OES | Projections | |
|---|---|---|---|
| Employment | Median Wage | % Change 2020 - 2030 | |
| Stationary Engineers and Boiler Operators | 120 | $30.50/hr | 1.1% |
| Control and Valve Installers and Repairers, Except Mechanical Door | 70 | $33.96/hr | -8.2% |
| Electric Motor, Power Tool, and Related Repairers | N/A | N/A | N/A |
| Power Plant Operators | N/A | N/A | N/A |
| Avionics Technicians | N/A | N/A | N/A |
Tasks for Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
- Repairs, replaces, and cleans equipment, such as brushes, commutators, windings, bearings, relays, switches, controls, and instruments.
- Disconnects voltage regulators, bolts, and screws, and connects replacement regulators to high-voltage lines.
- Prepares reports of work performed.
- Analyzes test data to diagnose malfunctions and evaluate effect of system modifications.
- Paints, repairs, and maintains buildings and sets forms and pours concrete footings for installation of heavy equipment.
- Notifies personnel of need for equipment shutdown requiring changes from normal operation to maintain service.
- Tests insulators and bushings of equipment by inducing voltage across insulation, using testing apparatus, and calculating insulation loss.
- Repairs or rebuilds circuit breakers, transformers, and lightning arresters by replacing worn parts.
- Inspects and tests equipment and circuits to identify malfunction or defect, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
- Tests oil in circuit breakers and transformers for dielectric strength and periodically refills.
