SC Lightning Protection Practice Questions - South Carolina Lightning Protection Systems Contractor Examination Exam

Each plate electrode used under NEC 2020 250.52(A)(7) shall expose not less than how much surface to the soil?

1 ft² (0.093 m²) 2 ft² (0.186 m²) 4 ft² (0.37 m²) 8 ft² (0.74 m²)

Correct Answer:

2 ft² (0.186 m²)

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