Jamie Harrison asks a question about the earthing of a sub-distribution board. His question has been answered by the ECA (Theme – Regulations & Legislation):
Question: If one feeds a sub-distribution board, say to an internal garage or workshop and it is say, dependent on the load, a PVC 6mm or PVC 10mm twin & earth cable, is this earth circuit protective conductor (CPC) adequate if all the test parameters are satisfied?
Answer: Normally yes, so long as the equation in 543.1.3 is satisfied and that the required disconnection time is met.
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www.voltimum.co.uk/consult.php?universe=consult.index.questionsAnswer: Normally yes, so long as the equation in 543.1.3 is satisfied and that the required disconnection time is met.
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