Ключевые слова: background, board, box, breaker, cabinet, cable, circuit, closeup, connection, control, device, digital, distribution, electric, electrical, electricity, energy, equipment, fuse, fusebox, hardware, industrial, industry, installation, metal, object, off, open, outlet, panel, plug, power, relay, safety, source, supply, switch, switchboard, switchbox, switcher, system, tech, technology, tool, transformer, voltage, wall, wire, wiring,