Ключевые слова: box, breaker, built, cabinet, circuit, component, connect, connection, construction, control, cubicle, distribution, electric, electrical, electricity, enclosed, energy, engineer, engineering, equipment, high, industrial, industry, medium, metal, network, panel, plant, power, safe, safety, scheme, site, substation, supply, switch, switchgear, system, technical, technology, utility, volt, voltage,