Question 6010 of 790 · California General Electrician Exam
What does the Code require for backfill around underground cables and raceways?
Exactly one answer is correct.
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Correct answer to question 6010
- B: No large rocks, paving material, or sharp objects that could damage them
Explanation
Backfill containing large rocks, paving materials, cinders, large or sharp objects, or corrosive material may not be placed where it can damage raceways or cables. Sand or other granular material may be required. See 300.5(F) in NEC 2020 and 2023 (300.7(F) in NEC 2026).
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