Answer: Drive it at an angle not exceeding 45 degrees from vertical. If rock is still encountered at an angle up to 45 degrees, the rod can be laid horizontally in a trench at least 30 inches deep.
Based on the 2020 NEC. The grounding electrode provides the essential function of connecting the electrical system and electrical equipment to the earth. In some cases, the grounding electrode(s) ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results