Extending a ring main and adding more sockets to a room. The ordinary wall sockets around the house are normally connected to a ring circuit also referred to as a ring main.
Wiring A Ring Main Diy Doctor Electrical Wiring Electricity
Socket ring main diagram. 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. The main purpose of a spur is adding an extra socket on to an existing ring main circuit. Connect the cables as shown in the diagram for a ring main circuit. For a radial circuit or spur off a ring main there will only be one cable. This design reduces the consequences of faults and enables the use of smaller diameter wire than would be used in a radial circuit of equivalent ampacity. A ring final circuit or ring circuit informally also ring main or just ring is a wiring technique developed and used in the uk that uses two conductors for each of live neutral and earth to supply each connected socket or other load.
A single cable is added from the new socket and connects to an existing socket on. Socket and switch plates in plastic stainless steel and brass can be bought by clicking on the banner above or below. Alternatively the ring can be extended. The ring is fed from a fuse or circuit breaker in the consumer unit. A separate ring main is usually installed on every floor of a given property to make sure things are kept safe and it is only when for example a spur socket additional socket is added on an upstairs ring main to feed a socket or light on a downstairs circuit that things can get tricky. The ring circuits of a domestic property supply the socket outlets and fixed appliances in the premises.
As you can see it eliminates the need to wire a socket all the way back to the a consumer unit but the nearest ring main socket is used instead. For a radial circuit or spur off a ring main there will only be one cable. Spur from existing socket outlet. Connect the cables as shown in the diagram for a ring main circuit. For the rules that govern how tis can be dne please. Its simplicity makes it a great arrangement for that use.
The most common is to connect it as a spur and this can be done in two ways. 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. The first image shows a simple ring main to and from the consumer unit. Ring circuits adding a socket outlet 1 there are three ways of adding a socket outlet to a ring circuit.
Gallery of Socket Ring Main Diagram
