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Electrical Inspection & Testing Forum
R1 R2 on a 3phase circuit - what's the point in testing to each line conductor?
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<blockquote data-quote="Andy™" data-source="post: 552271" data-attributes="member: 2012"><p>r1r2 can also be used to verify polarity if you also include r1rn or r2rn. or in 3 phase, a various combinations. you also need to check phase sequence so it can also be used for that (not such an issue if its a coloured multicore, but some in trunking etc may be run in all brown and sleeved at the ends)</p><p></p><p>you could still do all that with a wander lead onto each individual conductor</p><p></p><p>really, its personal preference and whatever is going to be easier for te specific installation. might be r1r2, wander lead or a mix</p></blockquote><p></p>
[QUOTE="Andy™, post: 552271, member: 2012"] r1r2 can also be used to verify polarity if you also include r1rn or r2rn. or in 3 phase, a various combinations. you also need to check phase sequence so it can also be used for that (not such an issue if its a coloured multicore, but some in trunking etc may be run in all brown and sleeved at the ends) you could still do all that with a wander lead onto each individual conductor really, its personal preference and whatever is going to be easier for te specific installation. might be r1r2, wander lead or a mix [/QUOTE]
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R1 R2 on a 3phase circuit - what's the point in testing to each line conductor?
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