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Do-It-Yourself (DIY) Question & Answer Forum
Mysterious banging
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<blockquote data-quote="ProDave" data-source="post: 501150" data-attributes="member: 6969"><p>As above. Insulation fault on a cable. As it happens at any time it will be the feed to a number of lights, rather than the switched output to one light.</p><p></p><p>Finding the exact location of the fault may not be easy, depending how easy it is to lift floorboards etc. But the fault should easily show on an insulation resistance test.</p><p></p><p>The easiest solution having found the faulty length of cable is to replace as much of it as you can rather than trying to pin the fault down to an exact spot.</p><p></p><p>Has ANY work, ANYTHING at all been done at the house recently?</p><p></p><p>It needs fixing. Sadly you have so far had 2 incompetent "electricians" look at it. Lets hope you find a decent one for the third visit and they did not charge too much for their incompetence. Tell the third spark that you think it's an insulation breakdown on a length of cable. If he looks blank at you, he is not the man for the job.</p></blockquote><p></p>
[QUOTE="ProDave, post: 501150, member: 6969"] As above. Insulation fault on a cable. As it happens at any time it will be the feed to a number of lights, rather than the switched output to one light. Finding the exact location of the fault may not be easy, depending how easy it is to lift floorboards etc. But the fault should easily show on an insulation resistance test. The easiest solution having found the faulty length of cable is to replace as much of it as you can rather than trying to pin the fault down to an exact spot. Has ANY work, ANYTHING at all been done at the house recently? It needs fixing. Sadly you have so far had 2 incompetent "electricians" look at it. Lets hope you find a decent one for the third visit and they did not charge too much for their incompetence. Tell the third spark that you think it's an insulation breakdown on a length of cable. If he looks blank at you, he is not the man for the job. [/QUOTE]
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Mysterious banging
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