Where the grounding electrode conductor or bonding jumper connects to a single or multiple rod, pipe, or plate electrode(s) or any combination thereof, or does not extend on to other types of electrodes that require a larger size conductor, the grounding electrode conductor shall not be required to be larger than ____.
A. 2 AWG copper wire or 4 AWG aluminum
B. 4 AWG copper wire or 6 AWG aluminum
C. 6 AWG copper wire or 4 AWG aluminum
D. 6 AWG copper wire or 8 AWG aluminum
Answer: C
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