Socket Ring Main Fuse

It could just be a faulty mcb if you want to test it then swap it for the one same rating should be 32a that controls the upstairs ring main.

Socket ring main fuse.

Meter mains with safety socket bypass. Where connection to a fixed appliance is required a fused outlet unit may be fitted to the wall rather than a plug socket and connected into the ring main. The reduced diameter conductors in the flexible cords connecting an appliance to the plug intended for use with sockets on a ring circuit are individually protected by a fuse in the plug. Until the cable returns to the consumer unit.

So as zax47 says it s most likely a general fault on the ring main that s tripping and causing your main rcd to trip. This video looks at the difference between a metal and plast. These outlets require the correct fuse rating for the appliance and are connected to the appliance by a cable or flex. Its advantages over radial circuits ar.

Clip cables properly with cable clips. 1 78205152000 214 mtbp ms15 14. In electricity supply design a ring final circuit or ring circuit is an electrical wiring technique developed and primarily used in the united kingdom. 2 0 main fuse 14 1 0 38 12 45 8 aw hub fig.

The ordinary wall sockets around the house are normally connected to a ring circuit also referred to as a ring main. The ring main must be protected by a 30amp fuse if it is on a cartridge fuse board or a 32amp mcb fuse. Id take a rcd fused spur from that socket make sure its on the ring 13amp fuse then run a twin and earth through some conduit to the shed to a socket and one more fused spur for the lighting with a 3amp fuse. The ring circuits of a domestic property supply the socket outlets and fixed appliances in the premises.

This design enables the use of smaller diameter wire than would be used in a radial circuit of equivalent total current. The cable itself can be up to 60 meters long if it is protected by a cartridge fuse and 50 meters long if protected by an mcb.