Courtesy of www.MikeHolt.com. Based on the 2023 NEC.
Question: The upper end of the rod electrode shall be _____ ground level unless the aboveground end and the grounding electrode conductor attachment are protected against physical damage as specified in Sec. 250.10.
a) no more than 1 in. above
b) no more than 2 in. above
c) no more than 3 in. above
d) flush with or below ground level
See answer below.
Answer: d) flush with or below ground level
Per Sec. 250.53(A)(4): "The upper end of the rod electrode shall be flush with or below ground level ground level unless the aboveground end and the grounding electrode conductor attachment are protected against physical damage as specified in 250.10."
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