Question 6011 of 938 · Maryland Journeyperson Electrician Exam
How does the Code classify the interior of an underground raceway?
Exactly one answer is correct.
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Correct answer to question 6011
- C: As a wet location
Explanation
The interior of enclosures or raceways installed underground is a wet location, so conductors must be listed for wet locations, such as THWN or XHHW. See 300.5(B) in NEC 2020 and 2023 (300.7(B) in NEC 2026).
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