Ключевые слова: background, black, cable, closeup, connect, connection, connector, cord, current, danger, efficiency, electric, electricity, electronics, empty, energy, equipment, feature, generation, home, house, image, indoors, industry, inserting, isolated, line, macro, mains, nobody, outlet, plastic, plug, power, row, safety, side, socket, supply, technology, two, vertical, volt, voltage, wall, white,