NEC 2026 Compatible

What is the maximum standard ampere rating for a fuse or inverse time circuit breaker that protects a conductor with an ampacity of 37 amperes, assuming no specific equipment exceptions apply?

Journeyman Level📋 NEC 240.4(B), 240.6(A)Overcurrent Protection - Conductor Protection
A

30 amperes

B

35 amperes

C

40 amperes

D

45 amperes

Explanation & Direct Citation

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    Overcurrent Protection - Conductor Protection Practice Question: NEC 240.4(B), 240.6(A) | SparkShift | SparkShift