Socket Ring Main Fuse

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.

Socket ring main fuse.

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. 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. 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.

2 0 main fuse 14 1 0 38 12 45 8 aw hub fig. These outlets require the correct fuse rating for the appliance and are connected to the appliance by a cable or flex. The ring circuits of a domestic property supply the socket outlets and fixed appliances in the premises. Until the cable returns to the consumer unit.

The ring main must be protected by a 30amp fuse if it is on a cartridge fuse board or a 32amp mcb fuse. Meter mains with safety socket bypass. Its advantages over radial circuits ar. This video is part of a series of videos looking at how to install 2nd fix a socket correctly.

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. 1 78205152000 214 mtbp ms15 14. This design enables the use of smaller diameter wire than would be used in a radial circuit of equivalent total current. Ring type nema type 3r ansi 61 gray e coat finish aluminum snap ring included standards ul 67 listed ansi c12 7.

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. 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.