Answer / nur.asidik

to make sure ES can be closed only if line is dead, besides that in common practice, CB status is needed also as interlock Earthing switch

Answer / k.prakashchandra

So that the earth switch can not be closed with supply

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what type of loads are inductive load & resistive load ?how they different between each other ?

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why insulators colour is BROWN?

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How to increase the specific gravity of DG batteries?

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why does in transformer the v/f ratio constant?

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WHY LINK NOT A FUSE IN AC CIRCUIT

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what are the types of basic earthing?and why we are doing that?

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lamination figures

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can we use ELCB and RCBO in one db

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