we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

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Why we can't start a tube light without a starter(choke) and an inductor?

1 Answers  

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why fuse amperes rating are specified ratings like 32amp & 64 amps?

2 Answers  

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What is system earthing?what are the types?

1 Answers   ABB,

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Why is the starting current high in a DC motor?

2 Answers  

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what is NANO TECHNOLOGY?

2 Answers  

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How can we convert dc to equivalent ac??

4 Answers  

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HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

1 Answers  

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Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

0 Answers   Prism Cement,

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what are eddy currents

2 Answers  

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What is the difference between type1 and type2 relay protection co-ordination for motor feeders

0 Answers   DAE,

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what is the mazor difference between the induction transformer and synchonous motor?what is the similarity between them?

1 Answers  

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