Ключевые слова: appliance, background, black, box, cable, connect, connection, connector, construction, danger, design, electric, electrical, electricity, electronic, energy, equipment, european, gray, home, house, industry, interior, iron, isolated, jack, line, metal, object, office, outlet, plastic, plug, port, power, reflection, simplicity, single, socket, socketoutlet, supply, switch, switchplug, technology, two, white, wire,