what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 Answers  

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what is potentiometer & rheostat

3 Answers  

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does any one know where we can purchase insulation oil for high voltage oil filled cables

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how to determine ct ratio in ht vcb?

0 Answers   Techno Engineering,

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What will be the diameter of pipe between conservation tank and transformer

0 Answers   JLL,

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I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

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When should I use earth leakage circuit breaker for incomer and when should I use it for each feeder seperately?

1 Answers  

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WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

2 Answers  

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how we can calculate 2 phase welding transformer rating or total power?

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WHAT IS THE MEANING OG (li = 7 In)

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How Cable Size is determined for a Particular load.

4 Answers  

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what is the form factor of DC voltage

5 Answers  

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