ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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what is the other name of dc series motor

2 Answers  

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define reflection method?

0 Answers  

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What are the disadvantages of LT AVR over HT AVR?

1 Answers   APTransco, Jindal, TNEB Tamil Nadu Electricity Board,

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how to calculate AH of a battery?

8 Answers   Exide,

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What happens if there is no nuetral in the power system?

5 Answers  

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can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

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Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

0 Answers   NHPC,

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Why, the starting current of 3 phase Induction Motor is 7 to 8 times its rated current?

9 Answers   L&T,

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Mention the value of earth resistance and factors on which it depends on.

1 Answers  

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Can I use cable armour as a earth conductor? if not how many GI/CU wires I need to run along with cable?

1 Answers  

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Why smallest capacity LV motor are star connected and medium & bigger size LV motors are delts connected

1 Answers  

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