Ключевые слова: alternating, apparatus, automatic, blue, box, breaker, bushing, circuit, close, close up, coil, control, current, direct, electric, electrical, electrician, electricity, electromagnetic, electronic, energy, equipment, ferrule, fuse, grey, panel, part, plastic, power, red, relay, repair, sensor, service, spare, station, switch, switchboard, system, table, tool, up, volt, voltage, watt, white, wire, wooden, workshop, yellow,