2. Installs, maintains, inspects, repairs, and services high and low tension power and light feeders, generating and control equipment, relays, transformers, motors, pumps, switches, outlets, signal systems, and other electrical wiring, cables, fixtures, and appliances of varied types. 1. Inspects electrical wiring, fixtures, appliances, motors, generators, pumps, power circuits, and controllers of machines and elevators, ascertains the nature of needed repairs and/or replacement; does whatever repair and installation work is necessary.