Radial Circuit Diagram Uk

One single or one twin using 2 5 mm sq.
Radial circuit diagram uk. Radial power circuit description. Unfused spurs off a 30 32 a radial. Electric lighting radial circuit my wiring kz 1467 diagrams for circuits wr 1880 single line diagram 1 2 and 3 house emfs wrg 9367 uk tg 5675 schematic. It is simply a length of appropriately rated cable feeding one power point then possibly going on to the next.
The electrical power supply to these bedrooms is a radial circuit in 2 5 twin and earth supplying 9 socket outlets. There are two types of radial circuit used for sockets type a2 which uses 4mm csa twin earth fused at 30a or 32a covering a floor area of 75m and type a3 which uses 2 5mm csa twin earth fused at 20a covering a floor area of 50m. Fig 1 shows what is referred to as a radial circuit sometimes called a loop in or multi point radial lighting circuit. A ring circuit is a uk standard means for wiring domestic and other light commercial premises not often seen elsewhere in the world.
Radial socket circuits 20a radial 2 5 mm sq. As many as you want using 4 0 mm sq. As many as you want using 2 5 mm sq. A radial circuit must follow these rules in general.
I bought a small garage type consumer unit intending to use this for all the electrics to this extension rather than mess with the existing wiring. Does wiring diagram for my electric fan look ok ford mustang forum. Fused spurs as many sockets as you want but remember the maximum 13a fuse in the spur. 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.
Radial circuits are used for lighting there is one lighting circuit on each lighting mcb lighting circuits are usually on a 6a mcb or 5a fuse though 10a can be used with some extra restrictions now removed in the 17th edition of the wiring regs for large circuits however if the area served is large more 5a or 6a circuits would in most cases be preferable. Floor areas of no more than 50m2 requires a 20 a fuse or miniature circuit breaker protection with 2 5 mm live and 1 5mm protective conductors or 1 5 mm if m i. If the cables in your circuits are red and black please see multi point radial lighting circuit old cable colours. The diagrams below shows the new harmonised cable colours.
30a 32a radial 4 0 mm sq.