Answer / rcf

Usual megger tester once set to range already have value,
to check if the tester is OK, connect to tested equipment
the Ground probe then the other one to Earth. Reading must
be ZERO.

Answer / sarkars

If this is an insulation Megger tester,short both terminal momentarily for a short duration and check it's pointer shows zero or not.If it is zero then it is o.k. otherwise not.For checking correctness of Megger reading you have to compare with standard one.

in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

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pls tell me function of closing coil of A.C.B.

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I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?

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why heat produced at junction of two different conductor. what care should be taken to minimize it.

11 Answers   Birla, Maihar Cement,

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Why are tertiary windings used in transformers?

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What is Transformer?

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What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

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how to calculate short circuit current for the busbar

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what is the most probable reason of failure of current transformer?

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Hello,l am complete dip and i was working maintance in ht dep again i study b.e completed again one year exp in ht totally two year i am ealigble in c license

1 Answers  

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Who is the first Bangladeshi Everest climber? Where is his home district?

0 Answers  

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