Ключевые слова: appliance, background, black, cable, closeup, concept, connect, connecting, connection, connector, consumption, copy, copyspace, cord, danger, disconnected, efficiency, electric, electrical, electricity, energy, equipment, europe, european, german, germany, grounded, home, house, household, nobody, outlet, plaster, plug, power, save, saving, socket, space, supply, unconnected, unplugged, voltage, wall, white,