Which of the following is the least expensive protection for overcurrent is low voltage system ?
(A) Rewireable fuse
(B) Isolator
(C) Oil circuit breaker
(D) Air break circuit breaker
(E) None of the above
Which of the following is the least expensive protection for overcurrent is low voltage system ?
(A) Rewireable fuse
(B) Isolator
(C) Oil circuit breaker
(D) Air break circuit breaker
(E) None of the above
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