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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how many frequent start/stop operation possible in case of HT MOTORS.

5 Answers   DVC, Steel Plant,

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we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

2 Answers  

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what bridge circuit is used in Tandelta circuit

1 Answers  

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Can you any one explain different between instantaneous over current and IDMT

1 Answers  

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what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law

2 Answers   NFCL,

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what are d/f between cfl and pl lamps,

1 Answers  

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where to use 3.5 core and 4 core cables, will this vary for type of loads

1 Answers   KSBC, Medreich,

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I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

0 Answers   KVF,

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want to know about DMRC

4 Answers  

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what is the main difference between power devices and signal devices

0 Answers   Wipro,

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What is sensitivity of a measurement?

0 Answers  

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