modern fuse box used at home, single-phase fuses in off position, visible three-phase fuses, residual current and storm protection

automatic board box breaker breakers button cable circuit circuits clipping component conduit connect connection control current devices discharge distribution electric electrical electrician electricity electronic energy fuse home industry isolated modern off one orientation panel path phase phases plug position power protect protection residual safety singlephase storm supertension supply surge switch switchboard switches system technology three threephase vertical visible voltage white wire wiring