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Electrical Inspection & Testing Forum
R1+R2 in metal conduit
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<blockquote data-quote="green-hornet" data-source="post: 51957" data-attributes="member: 2683"><p>This is sometimes difficult if not impossible to do because of cross bonding etc that imports an earth to other services and metal structures within the building.</p><p></p><p>If you do the end to end continuity you should end up with a reasonable figure dependant on the integrety of any joints.</p><p></p><p>I normally do end to end on all cables and end to end on the conduit, Ze, and Zs these readings combined will give a reasonable result.</p><p></p><p>Just fill in each end to end reading on the cert and leave the r1+r2 as n/a or calculate it.</p></blockquote><p></p>
[QUOTE="green-hornet, post: 51957, member: 2683"] This is sometimes difficult if not impossible to do because of cross bonding etc that imports an earth to other services and metal structures within the building. If you do the end to end continuity you should end up with a reasonable figure dependant on the integrety of any joints. I normally do end to end on all cables and end to end on the conduit, Ze, and Zs these readings combined will give a reasonable result. Just fill in each end to end reading on the cert and leave the r1+r2 as n/a or calculate it. [/QUOTE]
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R1+R2 in metal conduit
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