Courtesy of www.MikeHolt.com. Based on the 2023 NEC. Question: Grounding electrode conductors smaller than _____ shall be protected in rigid metal conduit, IMC, PVC conduit, electrical metallic tubing ...
Explanation: Section 250.52(A)(1) requires the pipe to be in direct contact with the earth for a minimum of 10 ft but no minimum depth is required. John Lupacchino is a senior design engineer with ...
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