Ключевые слова: automatic, automatically, automation, breaker, circuit, circuit breaker, connect, connection, connector, control panel, current, electric, electric cable, electric line, electrical, electrical cable, electrical contact, electrical panel, electrician, electricity, energetics, energy, engineering, entrance, fuse, illustrative editorial, industrial, industry, installation, main, panel, phase, plan, power, production, protecting, protection, relay, residual current device, secure, selective focus, socket, soft focus, switch, switch boards, switchboards, tester, tools, wire, wiring,