Ключевые слова: ac, appliance, background, black, board, cable, closeup, computer, concept, connect, connection, consumption, cord, current, danger, dangerous, design, efficiency, electric, electrical, electricity, energy, entertainment, equipment, european, floor, home, industry, isolated, line, many, mess, multiple, network, outlet, overload, plug, power, safety, socket, supply, tangled, technology, unsafe, volt, voltage, wall, white, wire, young,