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8 metre meter tails

Pete Murphy
Hello All,

Scenario is; conversion of basement with a 3P supply to 3 separate flats. TNCS. To get a new CU into the furthest flat I've proposed 25mm singles in Scottish Power red conduit. The conduit would be run in the correct zone in a void about 100mm above a plasterboard ceiling with no insulation at this point. I get the max current to 80A for this method and a fused switch would be installed at the origin after the DNO cut out Have I missed anything here? I'd assume to measure volt drop to the origin and disconnection times to the CU as per.

Thanks for your time,

Pete
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    You do not mention CPC, but I assume there is one.?

    If these tails are to be protected only by the DNO fuse, then you need their buy in to that, even if they are after the meter. However I presume there is a switch fuse per flat near the metering, and if there is then downstream you can do what you like really. I have seen T and E in this situation, but the reduced earth is a bit of a pain, singles in conduit are a better choice.
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  • 0
    You do not mention CPC, but I assume there is one.?

    If these tails are to be protected only by the DNO fuse, then you need their buy in to that, even if they are after the meter. However I presume there is a switch fuse per flat near the metering, and if there is then downstream you can do what you like really. I have seen T and E in this situation, but the reduced earth is a bit of a pain, singles in conduit are a better choice.
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