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

Which soil condition generally produces the highest resistance for a driven ground rod of a given size?

Moist loam Clay with a high water table Dry sand or rock Salt marsh

Correct Answer:

Dry sand or rock

Access more questions from this quiz

Continue to SC Lightning Protection Practice Questions - South Carolina Lightning Protection Systems Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions