Ключевые слова: alternating, amperage, box, button, commercial, construction, control, cubicle, current, device, distribution, door, efficiency, electric, electricity, energy, equipment, fuse, generator, grey, industrial, industry, infrastructure, line, management, metal, network, panel, partition, plant, power, source, station, steel, substation, supply, switch, system, technology, transformer, transmission, utility, voltage, volts, wattage, watts,