Socket Ring Main Fuse

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.

Socket ring main 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 main must be protected by a 30amp fuse if it is on a cartridge fuse board or a 32amp mcb fuse. This video is part of a series of videos looking at how to install 2nd fix a socket correctly. In electricity supply design a ring final circuit or ring circuit is an electrical wiring technique developed and primarily used in the united kingdom.

This video looks at the difference between a metal and plast. 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 ring is formed by the cable going from the consumer unit to the first socket then on to the second socket and then the next socket etc. The ordinary wall sockets around the house are normally connected to a ring circuit also referred to as a ring main.

This design enables the use of smaller diameter wire than would be used in a radial circuit of equivalent total current. Clip cables properly with cable clips. 2 0 main fuse 14 1 0 38 12 45 8 aw hub fig. Until the cable returns to the consumer unit.

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. These outlets require the correct fuse rating for the appliance and are connected to the appliance by a cable or flex. Ring type nema type 3r ansi 61 gray e coat finish aluminum snap ring included standards ul 67 listed ansi c12 7. 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.

The ring circuits of a domestic property supply the socket outlets and fixed appliances in the premises. Its advantages over radial circuits ar.