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RCBO WITH FUNCTIONAL EARTH LEAD CAUSING SMALL EARTH LEAKAGE

ietmgreen
I have read somewhere, (but I can't locate the source), that because the RCBO's electronic control operates with the neutral at a very slightly higher potential than earth, there is a very small leakage to earth through the functional earth lead.

Is this correct?

If so, what is the amount of leakage?

Regards,

Mike.
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    A cautionary tail gained from experience Andy? ?
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    A cautionary tail gained from experience Andy? ?
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