Mixing 2.5mm twin and cpc with 2.5mm twin and 1.5mm cpc

StephenS147 · 2020-03-13 21:28:40

I've bought some 2.5mm sq twin and CPC from screwfix for extending a radial power circuit. 2.5mm sq is for all 3 conductors. I only realised when it was sent out that the CPC was 2.5mm sq. The existing is 2.5mm sq LINE and NEUTRAL with a 1.5mm CPC. Is there a problem mixing the size of the CPC?

13-03-2020 10:28PM

#1

StephenS147

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I've bought some 2.5mm sq twin and CPC from screwfix for extending a radial power circuit. 2.5mm sq is for all 3 conductors.

I only realised when it was sent out that the CPC was 2.5mm sq.

The existing is 2.5mm sq LINE and NEUTRAL with a 1.5mm CPC.

Is there a problem mixing the size of the CPC?

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#2 13-03-2020 10:30PM

Syncpolice

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No it doesn't matter

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#3 13-03-2020 10:35PM

StephenS147

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Syncpolice wrote: »

No it doesn't matter

Thanks very much. I just wanted to make sure.

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#4 13-03-2020 10:53PM

2011

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Sufficiently low earth fault loop imperial is what matters.

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