Answer / nikhilesh

we can't use it beacuse rccb is residual current circuit
breaker. it is used for house wiring ckt.still wee used it
will not trip

Answer / k.prakashchandra

You can use 3 phase 3 wire/ 1 phase 2W RCCB

hi i wonder will the speed of a 50hz AC motor reduce if i supply it with 25hz?

4 Answers   Divis Laboratories,

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when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 Answers  

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what is buchholz relay?what is it used for?

8 Answers   Engineers India Limited, NFCL,

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What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

0 Answers  

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what is stator inter turn fault?

1 Answers  

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In an ideal transformer no load primary current I0 A lags behind V1 by 90 degree B is in the phase with V1 C leads V1 by 90 degree D lags V1 by 45 degree

1 Answers  

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What is different between MCB & MCC & isolator switch

1 Answers   Standard Chartered,

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What is the following which is printed on electrical appratuses like AC21 ,AC 23 , etc ?

1 Answers  

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As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

3 Answers  

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Why not connect relay Y phase for over current and earth fault

1 Answers   HB,

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how to define that what is resister ,capacitor& inductor.

1 Answers  

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why dc measurements are noted in mc whereas it is mi in ac measurements?

1 Answers  

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