Ключевые слова: background, bill, cable, circuit, connection, current, danger, device, distribution, efficiency, electric, electrical, electricity, energy, engineering, equipment, footing, generator, grid, high, high voltage, industrial, industry, insulation, insulator, line, metal, network, outdoor, plant, pole, post, power, pylon, sky, station, steel, substation, supply, support, switch, system, technology, tower, transformer, transmission, volt, voltage, wire,