Ключевые слова: abstract, amperage, background, black, blue, cable, close, concept, conductivity, conductor, connect, connection, construction, copper, current, curve, data, design, electric, electrical, electrician, electricity, energy, equipment, green, high, industrial, industry, installation, isolated, line, macro, metal, network, plastic, power, red, supply, symbol, tech, technology, tube, voltage, wave, white, wire, yellow,