Services & DistributionQuestion 32 of 521
A branch circuit carries a continuous load of 80 A. What minimum OCPD rating is required?
a.80 A
b.100 A
c.90 A
d.64 A
Explanation
Per 210.20(A), the OCPD must be at least 125% of the continuous load: 80 A x 1.25 = 100 A. 80 A ignores the 125% factor, 90 A is insufficient, and 64 A wrongly reduces the load.
Law Reference: 2023 NEC §210.20(A)Practice all 521 questions free — no signup required.
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