Discuss CU 10m from incoming box - new dwelling in the Electrical Forum area at ElectriciansForums.net

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Thank you for the advice all. I will use armoured.

I meant ducting and for future proofing. If you ever wanted to pull something through in the future as it’s under a block and beam floor.

I’m still not sure how people are working out 16mm SWA the calcs come out at 25mm surely? Unless anyone can explain otherwise?
 
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happyhippydad

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Thank you for the advice all. I will use armoured.

I meant ducting and for future proofing. If you ever wanted to pull something through in the future as it’s under a block and beam floor.

I’m still not sure how people are working out 16mm SWA the calcs come out at 25mm surely? Unless anyone can explain otherwise?
Could you show your VD calls?
16mm has a CCC of 87A ref method c.
VD = 2.8 x 80A x 12m / 1000 = 2.69V (to the consumer unit).
 

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