derated light switch cable

rjm2k · 17 Aug 2013

Swapped some doors around and got round to moving one of the switches today but found to stud wall I pulled the cable into is full of rock wool insulation. Is it necessary to pull as much of the insulation in the path of the cable out as I can due to cable derating or will it be OK? 1.5 mm cable with live and switched live with Max 100w bulb.
Thanks

EFLImpudence · 17 Aug 2013

No, it will be fine.

1mm², let alone 1.5, is waaaay over rated for a 6A circuit.

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derated light switch cable

rjm2k

EFLImpudence

DIYnot Local

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