Ключевые слова: assemble, assembling, background, block, board, bolted, cabinet, cable, circuit, clamp, component, connect, connections, construction, control, coupler, current, cycle, different, distribution, electric, electrical, electricity, energy, equipment, fastening, industrial, industry, installation, line, manufacturing, marking, mounting, opposite, panel, plug, power, protection, safety, scheme, sides, supply, system, technical, technology, terminals, through, voltage, wires, wiring,