Black Box Products Jacks, Panels, & Hardware > Raceways click photo to enlarge Double-Gang Device Box for 2700, 2800, and 2900 Series Hinged Raceways, 4 7/8"W x 4 3/4"H x 1 3/4"D Double-gang surface-mount box for your Hinged Raceway. 36936 Extended Double DiamondTM Warranty Available (Lifetime) Product Highlights The box is designed to be mounted directly to the surface of a wall without either an opening in the wall board or a pre-existing electrical box. Single-gang box also available. Guaranteed for life!