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External wall insulation and mains supply

Former Community Member over 3 years ago

I'm having external wall insulation installed on my house, and the mains supply to the house is via an overhead cable. The insulation installers have put the insulation over the mains supply cable, i.e. where it's clipped to the wall between bracket and meter box. The DNO is Western Power.

My question is, is covering the mains PME cable with 90mm of insulation acceptable practice?

Thanks, Pete

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0 Former Community Member over 3 years ago

Many thanks to all who've commented. As people have stated, and further discussion with WPD has confirmed, covering the WPD cable with insulation/cladding is in breach of the WPD/DNO regulations.
While the DNO side of the meter/consumer unit is not really part of the IET Wiring Reg, being able to find some good practice guidelines would be really useful to point my electrician at!
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0 Former Community Member over 3 years ago

Many thanks to all who've commented. As people have stated, and further discussion with WPD has confirmed, covering the WPD cable with insulation/cladding is in breach of the WPD/DNO regulations.
While the DNO side of the meter/consumer unit is not really part of the IET Wiring Reg, being able to find some good practice guidelines would be really useful to point my electrician at!
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External wall insulation and mains supply

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