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Does earth fault occur when neutral come in contact with earth?

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Question ajoutée par Tabah cletus , Electrical supervisor , Interact international for interior decoration
Date de publication: 2016/06/05
ZIA UR REHMAN ZIA
par ZIA UR REHMAN ZIA , Electrical Supervisor , Alam Electrical works, Swabi.

In case of unbalance condition i.e during fault, there is current flowing in the neutral wire so definitely earth fault occur    

B K Gupta
par B K Gupta , Junior engineer , Delhi metro rail corporation

No if system is balanced.But in case  three phase system is unbalance a differencial voltage appears on the neutral point and led to current flow through earth contact conductor.

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