BOX OLD WORK 21 CU IN

Electrical Box Box Type Switch Number of Gangs 1 Bracket Type Flush Capacity 21 cu in Material PVC Number of 1/2 In. Back Knockouts 4 Number of 1/2 In. Side Knockouts 0 Clamp Type NMSC Clamps - Hub Location Rated - Nominal Depth 3 3/4 in Nominal Length 3 1/2 in Nominal Width 2 1/4 in Color Gray Standards UL Listed.