Ключевые слова: alarm, automated, automatic, board, box, business, cable, center, circuit, closeup, communications, component, conduit, connect, construction, control, distribution, electric, electrical, electrician, electricity, electronics, energy, engineer, equipment, fuse, generator, industrial, industry, installation, line, machine, manufacturing, metal, panel, plug, power, protector, safety, security, station, supply, surge, switch, system, technical, technology, voltage, wire, work,