The 8x8 HomeRunner Juntion Box is available with two choices of cover.  The Oversize Cover (for flush mount installations) and the Box-Size Cover (for surface-mount installations).
 
Patented Grady Box External Clamps
One oversize clamp accepts up to 12 conductor/10AWG MC feeder
Six smaller clamps accept 14/2 to 10/3 AC, MC, MCI-A and NM cables
Positive ground; ideal for MCI-A cable like Southwire MC-AP
Mounting holes and knockouts provided for installation flexibility
No drilling or cable connectors needed
 
Volume:  177 Cu. In.
Wire Fill:  (86) 14 AWG
               (76) 12 AWG
               (68) 10 AWG
Built-in Clamps:  (1) 10/3 to 10/12
                           (6) 14/2 to 10/3
Knockouts:  (10) 1/2" - 3/4" eccentric
                    (7) 3/4" - 1" eccentric
Dimensions:  8"H x 8"W x 3"D