Electrical Box, Box Type Switch, Number of Gangs 3, Bracket Type Nails, Capacity 74 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 3 in, Nominal Length 6 in, Nominal Width 4 in, Color Gray, Standards UL