Wiring, Boxes, and Panels



The minimum volume of a 4-inch × 21⁄8-inch × 1 7⁄8-inch device box is _______ cubic inches.

A. 10.0
B. 7.5
C. 12.5
D. 13.0



Two No. 12 wires running through an outlet box will require a free space volume of _______ cubic inches.

A. 5.0
B. 4.5
C. 2
D. 2.25