Ключевые слова: ac, active, alternating, cable, circuit, conductors, connection, current, danger, dangerous, distribution, electric, electrical, electricity, energy, equipment, facility, generation, generator, high, industrial, industry, insulation, insulator, isolated, line, mechanical, metal, object, phase, plant, pole, power, sealed, station, steel, supply, technology, three phase, transfer, transformer, transformers, transmission, volt, voltage, warning, watt, wire,