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Discussion :: Switchgear Protections

  1. An isolator is installed

    2. A.

     to operate the relay of circuit breaker
    B.

     as a substitute for circuit breaker
    C.

     always independent of the position of circuit breaker
    D.

     generally on both sides of a circuit breaker

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    Answer : Option D

    Explanation :

    Explanation Not Provided

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