Ключевые слова: background, bar, black, block, board, closeup, color, concept, connect, connection, conservation, consumption, control, convenience, cord, current, danger, dangerous, device, electric, electrical, electricity, energy, equipment, hardware, hazardous, home, indoor, isolated, jack, line, modern, network, objects, outlet, plug, power, risky, socket, space, switch, technology, unsafe, voltage, volts, watts, white, wire,