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Earth Fault
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<blockquote data-quote="binky" data-source="post: 551280" data-attributes="member: 490"><p>it means that the circuit tested is not totally isolated from other appliances connected to the same cct. In such circumstances we tend to test at 250V Live and Neutral connected together, to the earth - stops potential damage to appliances from the tsting itself, as most appliances have 'smoothing circuits' to protect the control boards, all of which 'leak' to earth. So to confirm there is no fault on the circuit you actually need to disconnect everything on the circuit concerned, not just test at a random point.</p></blockquote><p></p>
[QUOTE="binky, post: 551280, member: 490"] it means that the circuit tested is not totally isolated from other appliances connected to the same cct. In such circumstances we tend to test at 250V Live and Neutral connected together, to the earth - stops potential damage to appliances from the tsting itself, as most appliances have 'smoothing circuits' to protect the control boards, all of which 'leak' to earth. So to confirm there is no fault on the circuit you actually need to disconnect everything on the circuit concerned, not just test at a random point. [/QUOTE]
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