Question 13072 of 731 · Texas Journeyman Electrician Exam
A 3 inch by 2 inch by 3-1/2 inch device box is rated 18.0 cu in. It holds a switch, two 14 AWG cables with grounds (4 insulated conductors) and internal clamps. How many additional 14 AWG insulated conductors may be added?
Exactly one answer is correct.
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Correct answer to question 13072
- D: 1
Explanation
Current count: 4 conductors + 1 grounding + 1 clamps + 2 yoke = 8, and 8 x 2.0 = 16.0 cu in. The remaining 2.0 cu in allows exactly 1 more 14 AWG conductor.
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