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Posted

1 light circuit measure 2kohm live to earth. why is it not tripping the breaker?

 

other light circuits at 85kohm-260kohm.

 

all measure in Mohm when red and black lead swapped. test done with power off. but bulbs in. some bulbs are not easy to access so i like to seek some advice first before removing them.thanks

Posted

To test a circuit insulation to earth first you must disconnect the neutral of that circuit in the consumer unit as the neutral is grounded upstream.


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