Ключевые слова: 3d, background, cable, communication, concept, connect, connection, connector, cord, current, efficiency, electric, electrical, electricity, electronic, energy, equipment, floor, fuel, generation, home, house, human, illustration, image, industry, insert, interior, isolated, line, link, object, outlet, plug, power, red, render, socket, supply, technology, usage, voltage, wall, white, wire,