Ключевые слова: background, black, board, cable, closeup, concepts, connect, connection, connector, cord, current, cut, disconnect, disconnected, electric, electrical, electricity, electronic, energy, equipment, expansion, extension, hazard, image, industrial, industry, isolated, line, male, metal, network, nobody, object, outlet, overload, pin, plug, power, powerboard, prong, shape, single, supply, surge, technology, unplug, unplugged, volt, voltage, white, wire, wired,