Services & DistributionQuestion 44 of 110
Two paralleled sets of 500-kcmil Cu (75 C, 380 A each) supply one feeder. What is the combined ampacity before adjustment?
a.500 A
b.620 A
c.380 A
d.760 A
Explanation
Paralleled conductor ampacities add: 380 A x 2 = 760 A total for the feeder.
Law Reference: 2023 NEC Table 310.16Practice all 110 questions free — no signup required.
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