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Parallel earth paths
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<blockquote data-quote="joolsmy" data-source="post: 533563" data-attributes="member: 30263"><p>WRT the flex you can compare its diameter with some known samples and base your compensation on the one that looks nearest in diameter.</p><p></p><p>Is the metal stand actually bonded or is the parallel earth literally through the floor? If the former you could try undoing the bond - although admittedly I've never resorted to this. If I can't eliminate the parallel warning I make a point of double-checking the plug and the flex and am only happy if there's a fair margin of safety in the reading.</p><p></p><p>Is it an old drill? The latest COP (5th edition) allows up to 0.5 ohm (after flex compensation) as long as you can satisfy yourself that the high reading is due only to the design of appliance and not a duff connection.</p><p>Edit: I see you've just covered a lot of this above.</p></blockquote><p></p>
[QUOTE="joolsmy, post: 533563, member: 30263"] WRT the flex you can compare its diameter with some known samples and base your compensation on the one that looks nearest in diameter. Is the metal stand actually bonded or is the parallel earth literally through the floor? If the former you could try undoing the bond - although admittedly I've never resorted to this. If I can't eliminate the parallel warning I make a point of double-checking the plug and the flex and am only happy if there's a fair margin of safety in the reading. Is it an old drill? The latest COP (5th edition) allows up to 0.5 ohm (after flex compensation) as long as you can satisfy yourself that the high reading is due only to the design of appliance and not a duff connection. Edit: I see you've just covered a lot of this above. [/QUOTE]
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