Question 8039 of 749 · Maryland Journeyperson Electrician Exam
Which nameplate value is used to size branch-circuit conductors for a packaged air conditioning unit?
Exactly one answer is correct.
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Correct answer to question 8039
- B: Minimum circuit ampacity (MCA)
Explanation
Equipment with hermetic motor-compressors is marked with a minimum circuit ampacity under 440.4(B), and the conductors must be at least that value. The MCA already includes the 125 percent factor for the largest motor.
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