The other type of circuit used to power your home is a radial circuit. Wiring a socket correctly in a final ring circuit or ring main.
What Are The Different Types Of Circuit
What is ring circuit wiring. A ring circuit is a power distribution wiring method that sees each phase or line bridged from point to point across a number of outlets and eventually arriving back on the same fuse circuit breaker or bus connector it originated from. Cable rating for cables used in a ring main must be no less than two thirds of the rating of the ring mains protective device. The ring circuit or ring main as it is often called starts at the consumer unit and returns to the consumer unit. Wiring diagrams for ring video doorbell setup if youre in the process of setting up multiple ring video doorbells internal doorbells and transformers the following wiring diagrams may help. Lighting circuits switch wiring wiring at the switch duration. The lower costs aspect was related to fact that wires with a smaller diameter could be used compared to radial wiring.
It is normally protected by a 30 amp fuse or 32amp circuit breaker it can have any number of sockets or fused connection units on it but the maximum load is 7200 watts. 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. 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. The ring is fed from a fuse or circuit breaker in the consumer unit. The ring circuit is made up of two radial circuits connected to the same series of accessories within the circuit. Ring circuit wiring offered a more efficient and lower cost system which would safely support a greater number of sockets.
Ring circuits are commonly used in british wiring with socket outlets taking fused plugs to bs 1363because the breaker rating is much higher than that of any. Shortly after world war ii there was a considerable demand for building materials. This video shows you how sockets are wired in the home. Click on your setup to view the diagrams. They are not so common in the uk but are used extensively abroad as the ring main or final ring circuit does have its drawbacks. 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 25mm in size.
It can serve an area up to 120 square yards. How to wire sockets in your home ring circuit. In practice meeting this requirement is rarely an issue.