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Metal conduit between two light fittings

Mark D Gray

Hi all,

we are having a discussion in the office and wanted your thoughts on the subject. If you have a metal conduit fitted between two plastic light fittings, the circuit is wired in singles (including a separate CPC), is there a requirement to earth the metal conduit? 

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  • 0

    Is this a real issue, or just an office debate?

    What the lamp fittings are made of, even if they are double-insulated, is irrelevant. The risk arises from the cables passing through the conduit.

  • 0 in reply to Chris Pearson

    Hi Chris, It is a real issue, we are installing earths to the ends of the conduits hence why it started the discussion. they area GRP linear fittings the span is approx 1m of conduit at around 3m ceiling height

  • 0 in reply to Mark D Gray

    Ross has summed up the Regs very well. Mind you, I struggle to see how a fault could arise within the conduit unless mice could find their way in.

    Would PVC conduit not be simpler?

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