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Do-It-Yourself (DIY) Question & Answer Forum
How Do I Know If A R2 Reading Is Correct
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<blockquote data-quote="ProDave" data-source="post: 322740" data-attributes="member: 6969"><p>If it's a 20 M Ring final, then the end to end resistances are as you state.</p><p></p><p>But R1 and R2 will in fact be half that due to two cables in parallel (strictly speaking it will depend on where on the ring you test)</p><p></p><p>That's why the figure of 8 test was devised, that should give the same reading wherever you test on the circuit.</p></blockquote><p></p>
[QUOTE="ProDave, post: 322740, member: 6969"] If it's a 20 M Ring final, then the end to end resistances are as you state. But R1 and R2 will in fact be half that due to two cables in parallel (strictly speaking it will depend on where on the ring you test) That's why the figure of 8 test was devised, that should give the same reading wherever you test on the circuit. [/QUOTE]
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How Do I Know If A R2 Reading Is Correct
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