Undertake complex electrical workshop functions including but not limited to installing, maintaining, replacing, connecting, disconnecting and repairing electrical or mechanical apparatus, including but not limited to transformers, wiring, electrical or electronic components, relays, metering and indicating devices, switches, substations, switchgear, cabling systems, heaters, appliances, circuits, wire panels, transformers, light units, light switches, 277V lighting, 110V and 208V1 phase, 208V and 480V3 phase electrical circuits, and outlets or fixtures, including changing light bulbs as needed. - install, maintain, replace, and repair plumbing including but not limited to fabrication and installation of new sewage and water lines whether for regular maintenance or repair or for the purpose of installing new equipment or fixtures, toilets, wash basins, sewage discharge lines, sinks, dishwashers, appliances, ruptured or leaking lines, and clogged toilets or drains including cutting, tHReading, bending pipes, assembling and installing pipes, valves and fittings and joining pipe sections and securing pipes.