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Do-It-Yourself (DIY) Question & Answer Forum
Outbuilding supplied from TT
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<blockquote data-quote="Apache" data-source="post: 27438" data-attributes="member: 828"><p>if it's a metal CU and the swa is attached to it, the earth terminal also attached to it then we have successfully exported an earth.</p><p></p><p>Under an earth fault the current could move from the house down the swa armour and to the outbuilding's earth rod? Could the armour take this? Is it not safer to isolate the earthing totally?</p></blockquote><p></p>
[QUOTE="Apache, post: 27438, member: 828"] if it's a metal CU and the swa is attached to it, the earth terminal also attached to it then we have successfully exported an earth. Under an earth fault the current could move from the house down the swa armour and to the outbuilding's earth rod? Could the armour take this? Is it not safer to isolate the earthing totally? [/QUOTE]
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Outbuilding supplied from TT
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