Why have to use copper cable for local isolator to motor ?

0 Answers  

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why power factor is lagging and leading(i.e -1to +1)

2 Answers  

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what is the voltage present in the telephone?

10 Answers   Infosys,

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how the voltage between all the three phase is zero can any body explain me

5 Answers  

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What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

1 Answers  

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If we know the load for generator in KW then how it will be change to amps and also if we know the load in amps how it will change in KW and what Generator is good for that...suppose load is 500 amps 3phase......??

1 Answers  

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what is mean by induction & conduction principle ? how they differ from each other ? thank you

1 Answers  

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single phase 230v three phase voltage 415volt why we aren't used line voltage 690v?

7 Answers   Citec,

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how many testing is necessary for 27 MVA transformer?

1 Answers  

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in india ac frequency is 50hz, but in foreign countries it is 60hz,whwt is the reason

9 Answers   SVIT,

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why exterrnal C.T. protection is used even though ACB& VCB is having inbuild C.T. protection?

2 Answers  

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Technical requirement of Copper earthing over GI earthing.

1 Answers  

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