Question 5006 of 844 · Washington 01 Journey Level Electrician Exam
A concrete-encased electrode must be covered by at least how much concrete?
Exactly one answer is correct.
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Correct answer to question 5006
- B: 2 in
Explanation
The electrode must be encased by at least 2 in of concrete, located horizontally within the footing or vertically within the foundation that is in direct contact with the earth. See 250.52(A)(3).
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