Answer / sakthivel

your question is not correct, all electrical apparatus
should be earthed, example is in our mixer motor are also a
universal motor it must run dc and ac , another way please
give example( vanthni@yahoo.com)

Answer / harpreet

EARTHING IS MUST FOR EVERY ELECTRICAL EQUIPMENT,FOR
PORTECTION LIKE SWITCH GEAR & HUMAN BEINNG

How maesure earth neutral value & how much maximum value value required in between earth & neutral.

0 Answers   Bellsonica, NEC,

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why circuit breaker closing time is always higher then tripping / opening time.

13 Answers   United Phosphorus,

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0 Answers   L&T,

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2 Answers   Thomson,

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2 Answers  

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2 Answers  

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explain maximum demand factor

1 Answers   Sterling,

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3 Answers  

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If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

2 Answers   GATE,

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what is the gas pressure at normal & operating conditions of sf6 cb??

2 Answers  

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Why transformer neutral earthing? What is advantages?

6 Answers  

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What motor is used in ceiling fans and what motor is used in table fan.? why table fan is costlier than ceiling fan?

6 Answers   Bhel,

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