Question 13066 of 749 · Maryland Journeyperson Electrician Exam
A box contains four 12 AWG and two 14 AWG insulated conductors, 12 AWG equipment grounding conductors and a receptacle connected to the 12 AWG conductors. What minimum volume is required?
Exactly one answer is correct.
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Correct answer to question 13066
- B: 19.75 cu in
Explanation
Conductors: 4 x 2.25 + 2 x 2.0 = 13.0 cu in; grounding conductors count once at the largest size, 2.25 cu in; the yoke counts twice at the size of the conductors connected to it, 4.5 cu in. Total 13.0 + 2.25 + 4.5 = 19.75 cu in.
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