Question 6003 of 749 · Maryland Journeyperson Electrician Exam
What is the minimum cover for a nonmetallic raceway listed for direct burial without concrete encasement, general condition?
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Correct answer to question 6003
- C: 18 in
Explanation
Nonmetallic raceways such as PVC listed for direct burial without concrete encasement need 18 in of cover under the general condition. See Table 300.5 in NEC 2020 and 2023; the underground installation rules are in 300.7 in NEC 2026.
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