Question 3033 of 749 · Maryland Journeyperson Electrician Exam
Under the 10 ft feeder tap rule, field-installed tap conductors that leave the enclosure must have an ampacity of at least what fraction of the feeder OCPD rating?
Exactly one answer is correct.
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Correct answer to question 3033
- A: One-tenth
Explanation
Field-installed 10 ft taps that leave the enclosure where the tap is made must have an ampacity of at least one-tenth of the rating of the OCPD protecting the feeder. See 240.21(B)(1).
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