Discuss GN8 9.3.1 Calculation of csa – armoured cable 118 in the UK Electrical Forum area at ElectriciansForums.net
I that all ,the way you asking I thought you were supplying a sub station .its and existing installation supplying a brick building with just a few sockets and lights via a 30ma RCD unit
is it that old chestnut.its and existing installation supplying a brick building with just a few sockets and lights.
an 2 core SWA 50mm sub mains protected by a 80a BS88-2 fuse supply the fuse board in the outbuilding
8 or 9 depending on the type of steel.there are no requirements for supp or main bonding within the building supplied in question , SWA only used as a CPC on sub mains and not supporting main bonding.
But yes quite right i think its a factor of 6 or something?
Reply to GN8 9.3.1 Calculation of csa – armoured cable 118 in the UK Electrical Forum area at ElectriciansForums.net
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