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<blockquote data-quote="Phoenix" data-source="post: 491447" data-attributes="member: 8133"><p>You say theres a volatage present with the lighting circuit on? what is this voltage measured between? (If you can measure voltages between things where they shouldn't be while you are on site, you have a good chance of finding the causes, its when they only seem to be there when you are not that its a pain to find)</p><p></p><p>You need to find which of the two items it was measured between is at a potential it shouldn't be at, a wander lead through the bathroom window to a long drill bit pushed in the garden away from any incomming services should provide a true ground reference</p><p></p><p>What is the earthing arrangement ot the property</p></blockquote><p></p>
[QUOTE="Phoenix, post: 491447, member: 8133"] You say theres a volatage present with the lighting circuit on? what is this voltage measured between? (If you can measure voltages between things where they shouldn't be while you are on site, you have a good chance of finding the causes, its when they only seem to be there when you are not that its a pain to find) You need to find which of the two items it was measured between is at a potential it shouldn't be at, a wander lead through the bathroom window to a long drill bit pushed in the garden away from any incomming services should provide a true ground reference What is the earthing arrangement ot the property [/QUOTE]
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