Ключевые слова: ac, aperture, appliance, background, charging, circuit, compatible, connection, device, domestic, double, earthing, electric, electrical, electricity, energy, equipment, fuse, holes, home, house, household, industrial, insulated, interior, isolated, object, outlet, phase, pin, plastic, plug, power, slot, socket, sockets, standard, supply, switch, system, technology, threepin, unit, volt, white, wire,