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Do-It-Yourself (DIY) Question & Answer Forum
MCB/RCD on consumer unit tripping
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<blockquote data-quote="Murdoch" data-source="post: 506024" data-attributes="member: 24445"><p>Sounds like you have 2 RCD's in series so the one in the main fuseboard will nearly always trip first.</p><p></p><p>The OP suggests the microwave works properly on a different installation</p><p></p><p>My suspicion is that your home has a lot of leaky devices and hence the microwave is tipping the RCD over its tripping point. </p><p></p><p>If it was me investigating I would use my earth leakage clamp meter first and then do more tests on your installation, starting at the RCD ..........</p></blockquote><p></p>
[QUOTE="Murdoch, post: 506024, member: 24445"] Sounds like you have 2 RCD's in series so the one in the main fuseboard will nearly always trip first. The OP suggests the microwave works properly on a different installation My suspicion is that your home has a lot of leaky devices and hence the microwave is tipping the RCD over its tripping point. If it was me investigating I would use my earth leakage clamp meter first and then do more tests on your installation, starting at the RCD .......... [/QUOTE]
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MCB/RCD on consumer unit tripping
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