Repairs and maintains electrical systems and equipment including, but not limited to, electrical motors, motor controls, blowers, pumps, in-door and out-door lighting fixtures, heating systems, control panels, main and distribution circuit breakers, lighting and power distribution panel boards, surge protectors, and emergency generators, change out electrical panels, work on elevators, fire and boiler control circuitry, designs complex electrical installation. Modifies existing line service and installs new electrical service wiring, including determining the type, size, location, routing and design of conduit; operates and maintains hand and power tools, including multi-meters, amp meters, circuit tracers, hydraulic and mechanical conduit benders, and volt meters.