Question 9013 of 871 · Maryland Journeyperson Electrician Exam
Unless the sealing fitting is identified for a higher fill, the conductors in a Class I seal may occupy no more than what percentage of the cross-sectional area of rigid metal conduit of the same trade size?
Exactly one answer is correct.
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Correct answer to question 9013
- B: 25 percent
Explanation
The cross-sectional area of conductors or optical fiber tubes in a seal is limited to 25 percent of the area of rigid metal conduit of the same trade size. The 40, 31, and 53 percent values are the general Chapter 9 conduit fill limits and do not apply to seals.
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