Question 6017 of 790 · California General Electrician Exam
Where ungrounded conductors 4 AWG or larger enter an enclosure through a raceway, what is required at the entry?
Exactly one answer is correct.
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Correct answer to question 6017
- A: An identified insulating bushing or equivalent protection
Explanation
Conductors 4 AWG and larger entering a cabinet, box, or enclosure from a raceway must be protected by an identified fitting with a smoothly rounded insulating surface. See 300.4 in NEC 2020 and 2023 (300.6 in NEC 2026).
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