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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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    So it's starting to sound like this is really just a consumer-side distribution circuit, supplied by a switchfuse next to the meter, rather than meter tails in the conventional sense.


    I'm not seeing any need for 'Scottish power red' for the conduit. I'm presuming this is PVC conduit rather than steel?


    How is the conduit getting to/from the ceiling void? You mention of correct zones makes me suspicious that it might be concealed in a wall. If it is and it's insulating conduit then there might be the additional protection by 30mA RCD requirement to consider.


       - Andy.
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  • 0
    So it's starting to sound like this is really just a consumer-side distribution circuit, supplied by a switchfuse next to the meter, rather than meter tails in the conventional sense.


    I'm not seeing any need for 'Scottish power red' for the conduit. I'm presuming this is PVC conduit rather than steel?


    How is the conduit getting to/from the ceiling void? You mention of correct zones makes me suspicious that it might be concealed in a wall. If it is and it's insulating conduit then there might be the additional protection by 30mA RCD requirement to consider.


       - Andy.
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