Question 6009 of 731 · Texas Journeyman Electrician Exam
NEC 2026 expanded the underground warning ribbon requirement for service conductors to also include
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Correct answer to question 6009
- A: Service conductors installed in underground raceways
Explanation
In NEC 2026 300.7(D)(3), the warning ribbon is required above underground service raceways as well as above direct buried service conductors. Earlier editions required the ribbon only above unencased direct buried service conductors.
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