Why in a three pin plug the earth pin is thicker and longer than the other pins?

18 Answers   LG, NTPC,

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i have three phase 25kva transformer but there is two phase line how can i connect to the two phase line?

2 Answers  

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How can we find out earth leakage,(shock)in side the house?.. (with out ELCB)

3 Answers  

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what is the terminal voltage of dc series generator running at rated speed at no load?

2 Answers  

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whatis mean by voltage?

7 Answers  

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What is the maximum current carrying capacity for both copper and aluminium cables for 1sqmm?

2 Answers  

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1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

0 Answers   Areva,

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can you check the current and voltage of a 12 V battery by a digital multimeter in this fashion that apply the digital multimeter across the battery terminals directly ? say yes or no ... i sais yes ........... is this true or false ? plzz tell me and also explain ........ plzz thanks

4 Answers  

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In underground cables,we have a grading method called 'capacitance grading'.Why is it called 'capacitance grading' although we do not use any capacitor in it?

1 Answers  

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Can any body tell me about Hi-pot test, and why it is necessary and its procedure of testing

6 Answers  

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One watt is equal to how many? we says one watt bulb,means what it consume?

3 Answers  

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why it is necessary to maintain frequency constant in a power grid ?

1 Answers   NTPC,

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