Using the 25' tap rule, what is the minimum size copper THWN conductor required for a tap from a 400A, 480V, 3Phase feeder to serve a 150A load?

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Multiple Choice

Using the 25' tap rule, what is the minimum size copper THWN conductor required for a tap from a 400A, 480V, 3Phase feeder to serve a 150A load?

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