Answer / k.prakashchandra

Potential free means 'zero potential' ,not connected to any
power supply

Answer / vels

potential contacts means the contacts are connected with some potential we cannot use our the contacts
whereas potential free contacts means it is not connected with any potential we can connect/use as per our requirement

what is earthing.how we make it,describe briefly.

0 Answers   HAL,

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1 Answers  

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1 Answers  

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which metal is use in shunt

4 Answers  

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0 Answers  

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why normally Generator rating are between 11Kv to 22Kv?

7 Answers   Torrent Power,

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0 Answers   Private,

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Is earthing done for AC or DC or both?

6 Answers  

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0 Answers   Qatar Steel,

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what is the synchronous timer ? and it applications.

0 Answers   CPCL,

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what is ups?how its works?and what is there in static switch how it works?

2 Answers   Bhel,

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