Socket Ring Main Fuse

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.

Socket ring main fuse.

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. This video looks at the difference between a metal and plast. 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.

These outlets require the correct fuse rating for the appliance and are connected to the appliance by a cable or flex. 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. In electricity supply design a ring final circuit or ring circuit is an electrical wiring technique developed and primarily used in the united kingdom. Ring type nema type 3r ansi 61 gray e coat finish aluminum snap ring included standards ul 67 listed ansi c12 7.

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. Until the cable returns to the consumer unit. Clip cables properly with cable clips. 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. Meter mains with safety socket bypass. 2 0 main fuse 14 1 0 38 12 45 8 aw hub fig. 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.

This video is part of a series of videos looking at how to install 2nd fix a socket correctly. Its advantages over radial circuits ar.