Ключевые слова: abstract, adapter, background, boards, cable, charger, circuit, colorful, concept, connect, connection, connector, copy, cord, cords, current, danger, dangerous, electric, electrical, electricity, electronics, energy, equipment, extension, flat, industry, isolated, line, object, off, outlet, overload, plastic, plug, power, protection, protector, safety, saving, socket, space, supply, switch, technology, unplugged, voltage, white, wire, yellow,