we have one ups its neutral is not earthed.its one distribution MCB has a eart

we have one ups its neutral is not earthed.its one
distribution MCB has a earth fault.but we can not put off
any MCB.so how to find out that in which circuit is earthed
without isolating the breaker.

Question Posted / guest

3 Answers
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we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can n..

Answer / dudeblore

By using a megger meter you an find out the faulty circuit.
The faulty circuit will have a less resistance as it has
connected to earth somewhere.

Is This Answer Correct ?

4 Yes

2 No

we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can n..

Answer / guest

measure+ve to earth the earthed mcb will show low voltage
than other mcbs

Is This Answer Correct ?

2 Yes

1 No

we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can n..

Answer / sumitgarg

to aviode that probelem in furure you can use a ELCB or
RCCB that will help to find and earth the earth fault
current.
that shoud be of 1 Amp. rating.

Is This Answer Correct ?

0 Yes

3 No

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