Ключевые слова: abstract, adapter, appliance, background, black, business, button, cable, concept, connect, connection, connector, cord, design, device, electric, electrical, electricity, electronic, element, energy, equipment, extension, generation, hand, icon, illustration, industrial, industry, isolated, line, object, outlet, pin, plastic, plug, power, sign, simple, socket, supply, switch, symbol, technology, unplugged, vector, voltage, wall, white, wire,