The minimum ampacity for a feeder supplying ten 30A shore power receptacles in a marina is _____.
a. 30A
b. 120A
c. 240A
d. 300A
b. 120A
10 x 30A x 120V = 36,000VA
36,000VA x 0.8 = 28,800VA
28,000VA ÷ 240V = 120A
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