The minimum size of the grounded conductor for a 3-phase, 3-wire, corner-grounded, delta connected service is
A. not smaller than the required grounding electrode conductor.
B. not smaller than a neutral for a 3-phase, wye-connected system or the same ampacity.
C. not smaller than the ungrounded service conductors.
D. not specified as a grounded conductor is not required.
C. not smaller than the ungrounded service conductors.
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