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Ring final circuit test
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<blockquote data-quote="Terryjepson" data-source="post: 509958" data-attributes="member: 33785"><p>Hi everyone </p><p></p><p>Ive recently tested a ring final circuit on a 3phase 24way D/B st a hotel.</p><p></p><p>my readings were</p><p></p><p>Ze= 0.20max reading</p><p></p><p>L=0.33 N.= 0.33 E= 0.52 R1 +R2 = 0.21</p><p></p><p>testing at various socket outlets in rooms I’m getting 4.70ohms Zs ??</p><p></p><p>all earths in place all in Db board earths on ring connected correctly and in earth bar.</p><p></p><p>Protected by Rcbo type B 32A</p><p></p><p>can any of you guys possible reason why I’m getting these readings in all sockets on this circuit 14 sockets in total,</p><p></p><p>i understand earth pins may be worn in socket outlets due to continued use etc but I cannot understand why?</p><p></p><p>any help/Reason would do </p><p></p><p>Cheers </p><p></p><p>terry</p></blockquote><p></p>
[QUOTE="Terryjepson, post: 509958, member: 33785"] Hi everyone Ive recently tested a ring final circuit on a 3phase 24way D/B st a hotel. my readings were Ze= 0.20max reading L=0.33 N.= 0.33 E= 0.52 R1 +R2 = 0.21 testing at various socket outlets in rooms I’m getting 4.70ohms Zs ?? all earths in place all in Db board earths on ring connected correctly and in earth bar. Protected by Rcbo type B 32A can any of you guys possible reason why I’m getting these readings in all sockets on this circuit 14 sockets in total, i understand earth pins may be worn in socket outlets due to continued use etc but I cannot understand why? any help/Reason would do Cheers terry [/QUOTE]
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