Ключевые слова: abstract, background, black, cable, close up, closeup, concept, connect, connection, connector, cord, current, digitally, electric, electrical, electricity, electronic, energy, equipment, extension, generation, green, image, industrial, industry, insert, isolated, line, metal, nobody, object, outlet, pin, plastic, plug, power, prong, shape, single, socket, supply, technology, two, volt, voltage, white, wire, wired,