Inspects, tests, repairs, or maintains electrical equipment in generating stations, substations, and in-service relays.
This career is part of the Agriculture, Food and Natural Resources cluster Power, Structural and Technical Systems pathway.
A person in this career:
- Constructs, tests, maintains, and repairs substation relay and control systems.
- Inspects and tests equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
- Consults manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
- Notifies facility personnel of equipment shutdowns.
- Opens and closes switches to isolate defective relays, performing adjustments or repairs.
- Prepares and maintains records detailing tests, repairs, and maintenance.
- Analyzes test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
- Tests insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss.
- Repairs, replaces, and cleans equipment and components such as circuit breakers, brushes, and commutators.
- Disconnects voltage regulators, bolts, and screws, and connects replacement regulators to high-voltage lines.