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Do-It-Yourself (DIY) Question & Answer Forum
Two supplies to a building
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<blockquote data-quote="steptoe" data-source="post: 186970" data-attributes="member: 7"><p>Im still not convinced you have 2 separate supplies, not entirely anyway,</p><p></p><p>an earth fault on one is going to effect the other,</p><p></p><p>you have 2 separate supplies and one equipotential zone, I dont see how you can get around just having 2 entirely different certs,</p><p></p><p>an earth fault on either system is always going to take the path of least resistance,</p><p></p><p>what supply have you got,? TNCS? herein lies a problem of a shared neutral/earth.</p></blockquote><p></p>
[QUOTE="steptoe, post: 186970, member: 7"] Im still not convinced you have 2 separate supplies, not entirely anyway, an earth fault on one is going to effect the other, you have 2 separate supplies and one equipotential zone, I dont see how you can get around just having 2 entirely different certs, an earth fault on either system is always going to take the path of least resistance, what supply have you got,? TNCS? herein lies a problem of a shared neutral/earth. [/QUOTE]
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Two supplies to a building
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