In designing a motor control center (MCC) for an industrial plant, what is the minimum short-circuit current rating (SCCR) that must be marked on the MCC assembly per NEC 409.110?
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A
The SCCR must equal the available fault current at the installation point
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B
5,000A minimum unless labeled for specific ampere rating
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C
10,000A minimum for all industrial MCCs
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D
42,000A for all 480V industrial installations