Electrical Box, Box Type Surface Mount, Capacity 132 cu in, Material PVC, Number of 1/2 In. Back Knockouts 0, Number of 1/2 In. Side Knockouts 0, Rated Types 1, 3, 3S, 4, 4X, 5, 6 and 6P, Nominal Depth 4 1/8 in, Nominal Length 6 3/4 in, Nominal Width 6 3/4 in, Color Gray, Standards UL