electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

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Why is the earth socket in an electrical plug outlet made thicker and lenghty?

5 Answers  

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I want to know the currect formula for industrial lighting lux caluculation & light fittings selection

2 Answers   MRF,

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What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

2 Answers   Reliance,

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which winding aply in an alternator?

3 Answers  

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What happens if the secondary of the transformer is shorted?

2 Answers  

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How to calculate u.p.s load parsentage plz give me formula

1 Answers  

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When we giving the 3 phase supply to ups system how to coming netural?

0 Answers   Juniper Networks, Tata Motors,

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i have 400/230v transformer and didnt done the neutral eatrhing. i connected one lamp to one phase and neutral to the earth. but the lamp is not glowing. again i connected neutral to earth and repeated the same. then the lamp is glowing. in the first condition i tested with a line tester also, at that time the tesrer is glowing what is happening i dont know can any one help me?

1 Answers  

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Define demand factor?

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what happen when we add mentos in cold drink?& why?

0 Answers  

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why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer?

3 Answers  

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