SC Electrician Practice Questions - South Carolina Electrician Contractor Examination Exam

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A 4-inch square, 2-1/8-inch-deep metal box (30.3 in³) in a West Columbia tenant build-out contains six 12 AWG conductors, two 12 AWG equipment grounding conductors, one duplex receptacle, and internal cable clamps. What is the 314.16(B) volume required?

20.25 in³ 22.50 in³ 24.75 in³ 18.00 in³

Correct Answer:

22.50 in³

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