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cable, connection, conversion, current, danger, direct current, distribution, electric, electric current, electric power, electric power station, electrical, electrical engineering, electrical equipment, electricity, electricity supply, electricity transmission, electrification, energy, energy supply, equipment, generation, high, high voltage, industrial, industry, infrastructure, lightning protection, line, machinery, object, phase, power, power lines, station, structure, substation, supply, supports, switches, system, technology, transformation, transformer, transmission, voltage, wire, wires,