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Supply tail size

Posted by Colin Bamford, on Fri 01 Apr 2016 10:02am

What is the minimum size tails are required for a 100amp single phase domestic supply.

Mon 04 Apr 2016 03:39pm

The tails should be 25mm2 double insulated.Many houses still have 16mm2. Thanks

Fri 01 Apr 2016 09:42pm

Hi Colin, For a 100 amp main isolator, the minimum should be 25mm2.

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