Electrical Wiring Ring Circuit

Always isolate any electrical circuit before working on the circuit.

Electrical wiring ring circuit. Cable rating for cables used in a ring main must be no less than two thirds of the rating of the ring main s protective device. A split load cu. Ring circuits from 32a mcbs in the cu supplying mains sockets. 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.

Each house should ideally have at least two lighting circuits. Electrical radial circuit wiring including the size of cable and mcb that should be used. Each protected by a 5 amp fuse or 6 amp trip in the consumer unit. The ring circuit is made up of two radial circuits connected to the same series of accessories within the circuit.

In a typical new town house wiring system we have. In practice meeting this requirement is rarely an issue. The other type of circuit used to power your home is a radial circuit. In electricity supply design a ring final circuit or ring circuit often incorrectly called a ring main a term used historically or informally a ring is an electrical wiring technique developed and primarily used in the united kingdom and to a lesser extent in ireland this design enables the use of smaller diameter wire than would be used in a radial circuit of equivalent total current.

Within the electrical industry the ring main circuit sometimes ring main or ring final circuit is an electrical wiring technique that is most commonly used in the uk. Wiring a socket correctly in a final ring circuit or ring main. In modern domestic properties in the uk the main electric lighting circuits are separate from the power ring main circuit. 2 such rings is typical for a 2 up 2 down larger houses have more.

With the progression of wiring standards over the years there are several electrical wiring colour coding used in homes around uk. Wiring a radial circuit in this diy guide you will learn how to wire up a standard radial circuit and also ensure that it is safe by using the correct size of cable and also the correct mcb in the consumer unit. Usually the protective devices used on a ring main will be a 30 a fuse 30 a breaker or 32 a breaker and the cables are usually 2 5mm in size. A ring circuit is a uk standard means for wiring domestic and other light commercial premises not often seen elsewhere in the world.

Typical house wiring diagram illustrates each type of circuit.