Electrical Box Box Type Switch Number of Gangs 3 Bracket Type Nails Capacity 44 cu in Material PVC Number of 1/2 in Back Knockouts 12 Number of 1/2 in Side Knockouts 0 Clamp Type - - Hub Location Rated - Nominal Depth 2 3/4 in Nominal Length 3 3/4 in Nominal Width 5 3/4 in Color Light Blue Standards UL