Why underground cables are used to connect transformers?In addition how are the

Why underground cables are used to connect transformers?In
addition how are they again connected to lines after step up
or step down?

Question Posted / arik,(nit silchar)

Why underground cables are used to connect transformers?In addition how are they again connected to..

Answer / k.prakashchandra

UG cables have to be used when indoor breakers(11KV) are
employed.They are connected to the outgoing lines at the
outdoor structure after step-down.

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