Ключевые слова: 220, ac, ampere, appliance, background, bare, black, cable, connect, connection, connector, conservation, consumption, contact, cord, current, danger, dangerous, device, double, earth, efficiency, electric, electrical, electricity, energy, equipment, fix, hazard, home, house, insert, interior, naked, outlet, pin, plug, power, red, safe, socket, standard, supply, technology, uncover, volt, voltage, wall, white, wire,