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 |
| Minnesota | 320 | 85 | $34.49/hr | $0.69/hr | $26.15/hr | $30.70/hr | $34.75/hr | $39.76/hr | $43.69/hr |
| U S | 23,920 | 837 | $32.85/hr | $0.23/hr | $23.56/hr | $28.68/hr | $33.54/hr | $37.59/hr | $43.28/hr |
| *SE = Standard error, a measure of the statistical reliability of the estimate. | |||||||||
| ||||||||||||||||||||||||||||
| Occupation (click title for details) | OES | Projections | |
|---|---|---|---|
| Employment | Median Wage | % Change - | |
| Stationary Engineers and Boiler Operators | 60 | $18.97/hr | N/A |
| Power Plant Operators | 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.