Ключевые слова: ac, appliance, black, cable, closeup, conceptual, connection, connector, copyspace, cord, current, danger, device, efficiency, electric, electric plug, electrical, electricity, energy, environmental, equipment, european, extension, inscription, jack, letters, message, nobody, object, outlet, plastic, plug, power, renewable, save, supply, surface, text, unconnected, voltage, white, wooden, word,