5.Performs necessary electrical maintenance work on elevators, hoists, conveyors, electric motors and lighting systems.6.Performs complex wiring, installation and trouble shooting on motors, generators, switches, transformers, electric clocks and time systems, intercom systems, paging systems, fuse panels, alarm and signal systems, heating appliances, electric ovens, and similar kinds of specialized electrical devices. MACHINES AND EQUIPMENT USED:Voltage-ohm meters, circuit testers, electrical lineman's hand tools, mechanic's hand tools, bench lathe, ammeter, test lamps, growler, precision electrical and mechanical gauges.