Ключевые слова: ac, adapter, background, cable, closeup, concent, concept, connect, connection, connector, conversion, earth, electric, electrical, electricity, electronic, energy, equipment, ground, hole, home, house, indoor, insert, insulated, interior, isolated, japan, japanese, jis c 8303, outlet, pin, plug, post, power, safety, socket, supply, switch, technology, type, wall, wire,