Based on the 2023 NEC. Question: Fill in the blank. The minimum size plate used as a grounding electrode is _____. See answer below. Answer: 12 in. X 12 in. Explanation: Section 250.52(A) (7) requires ...
Explanation: Section 250.52(A)(7) of the 2020 NEC requires a plate electrode to expose 2 sq ft to the soil. This can be accomplished with a 12-in. × 12-in. plate, since both sides will be exposed to ...
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