how to estimate wiring ins roughing ins. and boxes

0 Answers  

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What is the purpose of reactor in over head transmission line.Can you any explain it.

2 Answers   Dr Reddys, L&T, Reddy Labs,

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Is an SCR semi controlled device?

4 Answers   IOCL,

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when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?

1 Answers  

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Why the vector group of excitation transformer in static excitation system is Dy5?

2 Answers   CSEB, SRF,

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power requirement of an l.e.d?

2 Answers  

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TNC switch is also available in 1NO+1NC. What does it mean ?

1 Answers  

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what is meant by neutral Ct of a transformer and how it connected in transformer

4 Answers  

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Hi, i want to know is meant by power quality? How it can calculated ? How we can improve?

1 Answers  

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What is stepper motor?

0 Answers  

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A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 Answers  

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The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

0 Answers  

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