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Discuss how many 2.5 single core in 28mm conduit? in the Electrical Forum area at ElectriciansForums.net

telectrix

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Mentor
Arms
Esteemed
as many as will fit, leaving the required % of the area of the conduit as air space. i'll stick my neck on the block and guess at about 10 - 12.
 
As much as tallow/yellow77 will allow you ...............................

But CCC factors for cable is very much dependent on number of circuits, type of circuits and of course loads. The OSG does give a fairly basic guide, but note this is a guide to Physical limitations and don't take account of what I mentioned above.

For that you will need to go to appendix 4 in the BGB.
 

Victor

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Arms
In France, I am only allowed 6 x 2.5mm singles, not sure if the UK rules have been changed but think it may well be the same as France.
 
I thought this was going to be like one of those "how many people can fit in a mini?" type questions....
A prize for the closest :)
 
I could have sworn the answer to this question was contained in those book thingys that we're supposed to have
 

Marvo

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Esteemed
Yeah, I've also never seen 28mm conduit. Maybe it's old imperial steel inch and 1/8th.
 
A

ayjay

  • Thread Starter Thread Starter
  • #15
depends on how many bends and if there are no twists in the cables as well
 
R

Rauer

  • Thread Starter Thread Starter
  • #17
Don't forget any nipples will cause chafing!! And reduce the size!!
 

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