Ключевые слова: ac, amperage, architecture, background, blue, cable, communications, connection, danger, distribution, electric, electrical, electricity, energy, engineering, equipment, glass, grid, high, industrial, industry, insulation, insulator, isolated, isolator, light, line, metal, pole, pollution, power, price, professional, pylon, shock, sky, station, steel, structure, supply, technology, tension, tower, transformer, transmission, volt, voltage, wire, wiring, work,