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How can we protect cables using over current relay ? what is your recommendation for relay setting so that cable will be protected from faults.

Protection Cables Electrical Safety ETAP
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Question added by Ahmad Al-Ghannam , Electrical Engineer , SNC Lavalin Fayez Engineering
Date Posted: 2017/09/11
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Rajnish Kumar
by Rajnish Kumar , Engineering Manager , Qatar Design Consortium

The cable should be capable to carry maximum demand load continuously. Over-current relay should be used below thermal capability curve and above maximum demand load.

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