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Low insulation reading

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Testing a ring earlier and found 0.8M ohm at 250v between (L&N) - E.
This wouldnt be a neon causing this would it as im testing between L N (joined) to E ? I have not yet tested between the three individually.

This low reading is making me hope somethings still connected, there is a digital boiler controller that I suspect is wired into the supply side of a FCU but maybe its not; would this cause a low reading like this ? or anything else to bring back 0.8M ! I tested between (L&N) - E. Thanks all
 
And the culprit was, an ancient mini florescent in a showpiece cupboard full of plates, plugged in to a hidden socket behind it. Getting better readings now lowest across L/E at 30M, what a result.

Good man - great feed back ........ each time this sort of thing happens you learn ...... and as you learn you become more efficient ............ and thus your confidence will rise and customers will appreciate you more ....
 

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