Ключевые слова: bolts, box, cable, circuit, communication, connect, connection, construction, control, copper, current, device, electric, electrical, electricity, energy, equipment, gnd, green, ground bar, grounding, industrial, industry, installation, insulation, lan, line, lug, machine, maintenance, motor, object, panel, power, repair, safety, service, shaft, steel, system, technology, terminal, terminals, voltage, watts, wire, wiring, work,