a. Drive additional 8-foot grounding rods into the earth and bond them together. The rods must
be at least 6 feet apart (Figure 1-13).
Figure 1-13. Additional grounding rods
b. Drive grounding rods deeper, if necessary, to reach the water table (Figure 1-14).
Figure 1-14. Grounding rod reaching the water table
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EN5144
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