Radial Circuit Diagram Uk

Unfused spurs off a 20a radial.

Radial circuit diagram uk. 30a 32a radial 4 0 mm sq. 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. Does wiring diagram for my electric fan look ok ford mustang forum. 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 this design enables the use of smaller diameter wire than would be used in a radial circuit of equivalent total current.

As many as you want using 4 0 mm sq. Unfused spurs off a 30 32 a radial. 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. The electrical power supply to these bedrooms is a radial circuit in 2 5 twin and earth supplying 9 socket outlets.

As many as you want using 2 5 mm sq. It is simply a length of appropriately rated cable feeding one power point then possibly going on to the next. 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. One single or one twin using 2 5 mm sq.

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. If the cables in your circuits are red and black please see multi point radial lighting circuit old cable colours. Fig 1 shows what is referred to as a radial circuit sometimes called a loop in or multi point radial lighting circuit. The diagrams below shows the new harmonised cable colours.

Radial socket circuits 20a radial 2 5 mm sq. A radial circuit must follow these rules in general. 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. Fused spurs as many sockets as you want but remember the maximum 13a fuse in the spur.

A ring circuit is a uk standard means for wiring domestic and other light commercial premises not often seen elsewhere in the world.