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Do-It-Yourself (DIY) Question & Answer Forum
Lights Tripping RCD when they turn off........Sometimes
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<blockquote data-quote="Barx" data-source="post: 490782" data-attributes="member: 121"><p>Bit of an update.</p><p></p><p>So today I spent a good bit of time on the job. I split the circuit down as much as I could access and tested each leg and each fitting. Sure as damn it I went up the floors disconnecting and back down the floors testing. Found an insulation resistance fault with the leg between the board and a light in at one end of the ground floor. 0.08M between switch live (Grey) and CPC. There is an appartment in between the 2 but couldn't get in to it. No idea if the leg goes Board &gt; Appartment &gt; Hall light or Board &gt; Hall Light &gt; Appartment. I set up a temp from the Board to the Hall Light, leaving out the faulty leg. The full circuit then tested out fine. With the IR L&amp;N to CPC you could see the figure go up as the caps in the emg fittings charged, then went &gt;200M within about 10 Seconds. Ran the circuit all afternoon whilst doing other jobs and it was fine. Spoke to the client / contractor and explained will need to get in said appartment when possible but everything else was hunky dory. Happy days.</p></blockquote><p></p>
[QUOTE="Barx, post: 490782, member: 121"] Bit of an update. So today I spent a good bit of time on the job. I split the circuit down as much as I could access and tested each leg and each fitting. Sure as damn it I went up the floors disconnecting and back down the floors testing. Found an insulation resistance fault with the leg between the board and a light in at one end of the ground floor. 0.08M between switch live (Grey) and CPC. There is an appartment in between the 2 but couldn't get in to it. No idea if the leg goes Board > Appartment > Hall light or Board > Hall Light > Appartment. I set up a temp from the Board to the Hall Light, leaving out the faulty leg. The full circuit then tested out fine. With the IR L&N to CPC you could see the figure go up as the caps in the emg fittings charged, then went >200M within about 10 Seconds. Ran the circuit all afternoon whilst doing other jobs and it was fine. Spoke to the client / contractor and explained will need to get in said appartment when possible but everything else was hunky dory. Happy days. [/QUOTE]
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Lights Tripping RCD when they turn off........Sometimes
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