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Student & Learning Zone - City & Guilds
Insulation Resistance testing
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<blockquote data-quote="thomo27" data-source="post: 12875" data-attributes="member: 914"><p>RCD also monitors N-E faults as when an MCB is off and the RCD trips it cant rule out that circuit as the leakage current can come from the N <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> </p><p></p><p>The protective device is the RCD which is tripping.</p></blockquote><p></p>
[QUOTE="thomo27, post: 12875, member: 914"] RCD also monitors N-E faults as when an MCB is off and the RCD trips it cant rule out that circuit as the leakage current can come from the N ;) The protective device is the RCD which is tripping. [/QUOTE]
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