single-phase fuse box for lighting the house in the off position with a self-locking block for grounding and neutral wires. isolat

automatic automation block board box breaker breakers button circuit circuits clipping component conduit connect connection control cycle distribution electric electrical electrician electricity electronic energy equipment fuse ground grounding home house isolat isolated lighting locking manufacturing neutral off one panel path phase plug position power protect safety selflocking singlephase supply switch switchboard switches system technology voltage white wire wires wiring