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 ...
(1) Below permanent moisture level. If practicable, pipe electrodes must be embedded below the permanent moisture level and be free from nonconductive coatings such as paint or enamel. Exception: A ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results