Question 9025 of 1033 · Washington 01 Journey Level Electrician Exam
Beneath a classified area at a motor fuel dispensing facility, PVC conduit is permitted underground when buried with at least what cover, with threaded RMC or IMC used for the last section before emerging?
Exactly one answer is correct.
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Correct answer to question 9025
- B: 2 ft
Explanation
Underground wiring below Class I locations at dispensing facilities is normally threaded RMC or IMC. PVC and similar nonmetallic conduit is allowed where buried under at least 2 ft of cover, with threaded RMC or IMC used for the last 2 ft before emerging and an equipment grounding conductor installed.
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