Ключевые слова: ac, analog, box, cable, charge, conductor, conduit, connected, connection, contact, container, control, current, danger, delivery, distribution, electric, electrical, electricity, energy, engineering, equipment, fuse, grid, heavy duty, high voltage, industrial, industry, installation, junction, manual, network, outlet, port, power, power line, professional, service, short circuit, supply, switch, system, technology, transformer, transmission, utility, volt, wire, wiring,