What is the minimum size device box required for six AWG #12 conductors? The box will have a duplex receptacle mounted on it. The conductors will also employ two wire connectors in total.

A. 4 x 2 x 2 ½
B. 4 x 2 1/8 x 1 7/8
C. 3 x 2 x 1 ½
D. 4 x 2 3/8 x 1 7/8