Q.An isolator is installed 

  • ATo isolate one portion one portion of the circuit from another.
  • BUsually on both sides of a circuit breaker.
  • CAs a substitute for a circuit breaker.
  • DBoth (a) and (b) 
Correct Answer : (D)

Both (a) and (b) 

Hints :

An isolator is installed to isolate one portion one portion of the circuit from another. Usually on both sides of a circuit breaker.

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