What is the main reason for grounding the return side of the transformer to the chassis?

What is the main reason for grounding the return side of  the transformer to the chassis?
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1 Answer

Answer :

Reduce the cost of manufacturing equipment.
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Why neutral breaker used in DG neutral grounding?

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In case new installation is to be done, what basic guidelines should be followed for grounding?

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Why copper is only preferred as material for grounding?

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What are the specifications for procurement of grounding conductor and grounding rods?

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