which is batter in construction job,ELCB or RCCB?

7 Answers   HCC,

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I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

0 Answers  

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what is difference b/w squirrel cage rotor and wound rotor

2 Answers   Bhel, Electrical,

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why excitor coil of an alternator can fail

3 Answers  

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If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

0 Answers  

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what is the difference between arc and spark

2 Answers  

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what is draiv work

0 Answers  

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explain the working principal of the circuit breaker?

5 Answers  

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is there any chance to get shock from the transformer oil at the time of maintenance due to its dielectric property. . ?

6 Answers   Bhel,

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What is min and max voltage between earth and neutral/phase if it perfect earthing?

37 Answers   Epoch, ISS, ITC Infotech, L&T, Power Works, Statex, Sterlite, Wipro,

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what is ground clearence ,what is minimum ground clearence ,i.e present value following in india ,is it changes wit conductor size ,kva rating.surface

3 Answers  

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Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

0 Answers   MPPTCL,

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