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Do-It-Yourself (DIY) Question & Answer Forum
2nd Earth Rod on TT System
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<blockquote data-quote="MikeJhn" data-source="post: 546032" data-attributes="member: 33738"><p>There is a school of thought that says the armoured cable should only be earthed at the hose not the shed if you make the shed a separate TT, having the armoured earthed at both ends an earth problem in the shed could trip the main CU in the house, that's if you have RCD or RCBO's protection in parallel, but does not seem to make much difference to the operation only the convenience factor of knowing where the fault is.</p></blockquote><p></p>
[QUOTE="MikeJhn, post: 546032, member: 33738"] There is a school of thought that says the armoured cable should only be earthed at the hose not the shed if you make the shed a separate TT, having the armoured earthed at both ends an earth problem in the shed could trip the main CU in the house, that's if you have RCD or RCBO's protection in parallel, but does not seem to make much difference to the operation only the convenience factor of knowing where the fault is. [/QUOTE]
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2nd Earth Rod on TT System
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