USCG USCG Electrical
Set 2 • Question #60 of 142
Launch Interactive Practice Room A circuit breaker differs from a fuse in that a circuit breaker __________.
A
melts and must be replaced
B
is enclosed in a tube of insulating material with metal ferrules at each end
C
gives no visual indication of having opened the circuit
D
trips to break the circuit and may be reset
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'A circuit breaker differs from a fuse in that a circuit breaker', the compliant technical standard is: 'trips to break the circuit and may be reset'.
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