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| Wiring, Theories and the Regulations Discussions on all electrical regulations in the UK. Including Part P, BS 7671, DPC BS7671:2008, BS 7671:2001 & 2004 Amendment No.2, IEE wiring regulations, 16th Edition and 17th Edition |
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02-08-2008
| #1 (permalink) |
| Junior Member Join Date: Jul 2008
Posts: 7
 |  Additional CPC Am just about to start a job on 3 story house which will become 8 individual flats. Am running 16mm T&E from incomer to each DB. I was going to add an additional 10mm CPC to each flat but have had conflicting advise on this. Some say do, some say no need. Is there a definative answer. Cheers Dave |
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08-08-2008
| #4 (permalink) |
| Junior Member Join Date: Jul 2008
Posts: 7
| Re: Additional CPC MP. Just had a look at this and it is as I said in my PM to you. Using SWA, all cores are same size plus you have the armour. T&E easier to use, but with 16mm you only have a 10mm CPC. According to table 54.7, Line conductor S =< 16mm should use a cpc of equal size. So running a 6mm with it brings it up to 16 mm and meet regs. We found it ourselves Thanks Guys |
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