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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
  • 0
    Hello and thankyou to all who posted,

    I've recommended 3 separate supplies, any other route is compromise, the buildings are 200 years old not least and need a flexible supply commensurate with the change of use. 

    Looking to derive from what I think is the 3P  box on the wall outside, then SWA into conduit. I've another site visit on Sunday to confirm then talk to DNO.

    Best regards,

    Pete

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