Domestic Ring Circuit Wiring Diagram

Each protected by a 5 amp fuse or 6 amp trip in the consumer unit.

Domestic ring circuit wiring diagram. Each house should ideally have at least two lighting circuits. As you can see the circuit starts and ends at the consumer unit. In a typical new town house wiring system we have. The other type of circuit used to power your home is a radial circuit.

Typical house wiring diagram illustrates each type of circuit. Ring circuits are commonly used in british wiring with socket outlets taking fused plugs to bs 1363 because the breaker rating is much higher than that of any. It goes around the house or a room and connects to all the sockets and fused connection units fcu s required to be on the ring main circuit. If using a 30amp cartridge fuse no more than 60m of cable can be used if using a 32amp mcb no more than 50m of cable can be used.

2 such rings is typical for a 2 up 2 down larger houses have more. Please observe the wiring diagram above. Wiring a socket correctly in a final ring circuit or ring main. Iee wiring regulations stipulate that a single ring main may not serve an area larger than 100m 1076 sq ft and that maximum cable lengths are observed.

In modern domestic properties in the uk the main electric lighting circuits are separate from the power ring main circuit. In effect it is a radial circuit whose final termination is made back to the originating distribution board rather than at the last outlet or device serviced. A split load cu. Ring or ring final circuit rfc a ring circuit is a uk standard means for wiring domestic and other light commercial premises not often seen elsewhere in the world.

Always isolate any electrical circuit before working on the circuit. The earth wire which is located between the live and neutral wire provides a safe escape route for leakage current from a circuit as a result of electrical fault or poor connection. The ring starts at the consumer unit also known as fuse box distribution board or breaker box visits each socket in turn and then returns to the consumer unit. Type two lighting circuit.

Cable will be used for lighting. Ring circuits from 32a mcbs in the cu supplying mains sockets. They are not so common in the uk but are used extensively abroad as the ring main or final ring circuit does have it s drawbacks. Using 1mm cable is allowed for up to 95meters of circuit length.

This does not include the light switches which should be wired in switch wire which contains 2 red cores. With the progression of wiring standards over the years there are several electrical wiring colour coding used in homes around uk. The ring is fed from a fuse or circuit breaker in the consumer unit.