Ключевые слова: ac, alternating, american, appliance, background, black, cable, closeup, concept, connect, connection, connector, cord, current, device, electric, electrical, electricity, electronic, energy, equipment, extension, focus, industry, isolated, line, nobody, object, outlet, pin, plastic, plug, plugs, power, selective, single, studio, supply, technology, type, unplugged, white, wire,