what is pilot wire? what is the use of pilot wires?

9 Answers  

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW

5 Answers  

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What type of DC motor would you see for a lift?

0 Answers   Ericsson,

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What is the value of specific gravity in charged lead acid batteries.

11 Answers  

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what is the meaning of the symbol << >> put in transformer drawing

0 Answers   TATA,

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how can testing using megger?

1 Answers  

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what is the relevance of knee point voltage in protection and metering grade CT ? and basically what is knee point voltage ?

2 Answers  

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Tell me about ur past electrical maintanence job

0 Answers   Apollo Power, Solar,

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Hi All, I am working as a Technical executive in a MNC company and we have 1500KVA & 1250KVA T/F in our site, can you help me that how many maintenance tests can be conducted and what are the procedures included for the tests can you share yours answers and also give any web address to get more information on this

5 Answers   Hyundai,

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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why rating in KVA and KVAR?

4 Answers  

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