All 1 gang boxes available with or without swivel lugs. 2.75 x 4.5 x 2.0 inches deep. Heavy duty die-cast aluminum, .094 inches thick, with powder finish. For use in all indoor and outdoor damp or wet locations, with all standard FS, outlet, lamp holder, or splice box covers. Ground screw and 2 close-up plugs supplied with each box. Pre-tapped ground screw hole. UL listed and CSA approved. Comply with Federal Specification AA-50563.