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Discuss Additional CPC in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

D

daver

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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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G

Grae79

  • Thread Starter Thread Starter
  • #2
check out section 543 in regs, everything you need to know ;)
 
  • Thread Starter Thread Starter
  • #3
check out section 543 in regs, everything you need to know ;)
Not quite the "yes" "no" answer you were lookin for!!! but hey......
 
D

daver

  • Thread Starter Thread Starter
  • #4
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
 
G

Grae79

  • Thread Starter Thread Starter
  • #5
no probs :rolleyes:
 
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