Electrical Box, Box Type Switch, Number of Gangs 4, Bracket Type Nail On With Bracket, Capacity 55 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 5/8 in, Nominal Length 7 3/4 in, Nominal Width 3 3/4 in, Color Gray, Standards UL