Answer / sunil

N-E=0volt
P-N=230Volt

Answer / sandhya

S it is crct ..as the earth potential should be zero always

Answer / dipesh

yes.it is good.but for sure check earthing resistance.it should be less then 0.5 ohm.

Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

9 Answers   Indian School of Mines,

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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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what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

0 Answers  

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What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding?

2 Answers  

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what are the range of memory address in plc for L&T lx7 4A

0 Answers  

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why transformer ratings are in kva

4 Answers  

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. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

0 Answers  

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a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 Answers  

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What is partial discharge in power cable?

1 Answers  

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What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

0 Answers  

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what is ceiling voltage in an exciter?

1 Answers   KEPCO Energy Service Company,

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Send me Model Question paper for the post Scientific Assistant in NPCIL

0 Answers  

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