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.

3 Answers   CFCL,

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What is the unit of magnetic flux density?

0 Answers  

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What is the difference between MPCB and OLR?

11 Answers   ABB, Raj Agencies,

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which model T or pie model is prefarable in power syatem

0 Answers  

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How vaccum is formed to create a vaccum interrupter or anything related with vaccum?

6 Answers  

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state the disadvantages of carbon filament???

0 Answers  

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why grid frequency varry time to time?

2 Answers  

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what is the disadvantage if earth is connected to neutral

6 Answers  

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what's the outstanding feature of universal motor?

2 Answers   Tanfac,

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MICOM P122 OC/EF RELAY HAVE HARMONIC RESTRAIN OR NOT?

1 Answers  

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What is Isolation Current transformer and what purpose to use it in REF relay ?

1 Answers  

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why transformer is giving some humming noise .....?

11 Answers   Electrotherm, JSW,

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