Domestic Ring Circuit Wiring Diagram

2 such rings is typical for a 2 up 2 down larger houses have more.

Domestic ring circuit wiring diagram. Ring circuits from 32a mcbs in the cu supplying mains sockets. Using 1mm cable is allowed for up to 95meters of circuit length. 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. 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.

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. Please observe the wiring diagram above. The ring is fed from a fuse or circuit breaker in the consumer unit. Wiring a socket correctly in a final ring circuit or ring main.

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. 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. Live neutral tails from the electricity meter to the cu. Always isolate any electrical circuit before working on the circuit.

A split load cu. Each protected by a 5 amp fuse or 6 amp trip in the consumer unit. 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. Type two lighting 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. This does not include the light switches which should be wired in switch wire which contains 2 red cores. The other type of circuit used to power your home is a radial circuit. A lighting circuit can serve up to 12 x 100w bulbs.

In modern domestic properties in the uk the main electric lighting circuits are separate from the power ring main circuit. Each house should ideally have at least two lighting circuits. 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. Typical house wiring diagram illustrates each type of circuit.

With the progression of wiring standards over the years there are several electrical wiring colour coding used in homes around uk. Domestic electricity explores electrical circuits and the safety devices around the home like fuses and circuit breakers the ring main circuit and the functions of the live neutral and earth wires. Cable will be used for lighting.