Socket Ring Main Diagram

Consumer unit fuse box is at bottom left.

Socket ring main diagram.

As before brown is live blue is neutral and the earth wire is bare copper with a green yellow sleeve. For the rules that govern how tis can be dne please. In the diagram here in and out are the existing ring cables and spur is the new cable leading to the new socket outlet. Consumer unit wiring diagram.

Junction boxes come rated for different uses by the amps they are allowed to carry. The cable size is important it has to be either 2 5sq mm or 4 0sq mm twin core and earth these are rated in free air at 24amps or 32amps respectively. Ring mains as they are called are a series of cables linked together starting and terminating at the same point in a distribution board. The wiring for a junction box can be seen here.

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. For a radial circuit or spur off a ring main there will only be one cable. The main purpose of a spur is adding an extra socket on to an existing ring main circuit. For a radial circuit or spur off a ring main there will only be one cable.

Connect the cables as shown in the diagram for a ring main circuit. Connect the cables as shown in the diagram for a ring main circuit. Rear view of double socket showing ring main in and ring main out wiring. Its simplicity makes it a great arrangement for that use.

A 30amp junction box should be used on a ring or radial circuit feeding sockets only. Ring main and spurs. 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. Make sure that all three wires are secured in each terminal and avoid damaging the wires when replacing the socket.