Have a look at appendix 15 bs76712008a32015 there are even pictures. There is no limit as to the amount of sockets that can be fitted to a radial circuit.
Simple Radial Circuit
Radial circuit diagram 17th edition. Similar restriction apply to both the ring and radial with regard to unfused and fused spurs. Electrical radial circuit wiring including the size of cable and mcb that should be used. As many as you want using 25 mm sq. With the 18 th edition of the iet wiring regulations bs 7671 now officially released its a crucial time for electrical contractors and electricians to get up to speed with the changes. Wiring regulations 17th edition amd 2. Essentially electricians now have a six.
Add a spur socket to ring main. Unfused spurs off a 20a radial. The diagram below shows a typical ring circuit. Wiring regulations 17th edition amd 1. There are two types of radial circuit used for sockets type a2 which uses 4mm² csa twin earth fused at 30a or 32a covering a floor area of 75m² and type a3 which uses 25mm² csa twin earth fused at 20a covering a floor area of 50m². As many as you want using 40 mm sq.
30a 32a radial 40 mm sq. Radial power circuit description. As described above a radial circuit starts at the consumer unit connects to each socket outlet in turn and ends at the final socket outlet. Fused spurs as many sockets as you want but remember the maximum 13a fuse in the spur. How to wire a spur socket to ring circuit. Pouse around the house 140890 views.
Radial socket circuits 20a radial 25 mm sq. Your only limit is the length of cable. One single or one twin using 25 mm sq. Page 1 of 3 1 2 3 next celconman new member. Unfused spurs off a 3032 a radial. The electrical power supply to these bedrooms is a radial circuit in 25 twin and earth supplying 9.
Jocelyn golding electrician programme manager at schneider electric takes a brief look at five important amendments to the 18 th edition wiring regulations. Wiring regulations 17th edition amd 3. How many socket outlets on a radial circuit. So after years of installation and inspection and testing i think ill have to come down on the side of the radial circuit for sockets and im guessing that in the years to. Wiring a radial circuit in this diy guide you will learn how to wire up a standard radial circuit and also ensure that it is safe by using the correct size of cable and also the correct mcb in the consumer unit. Radial socket outlet circuits are less common in uk dwellings as until recently the usual method was the ring circuit.
Radial circuit house wiring socket circuit uk electrics cooker circuit shower circuit home wiring radial circuits and ring circuits radial circuits 17th edition. Over the last 18 months i have completed a 2 bed 2 bath extension to my bungalow. Discussion in electricians talk started by celconman apr 3 2006.