Crouse-Hinds Welded deep outlet box features steel construction. It has 12 1/2-Inch & 3/4-Inch knockouts in side, two 1/2-Inch and two 3/4-Inch knockouts at the bottom. This square box measures 4-11/16-Inch x 4-11/16-Inch. It has capacity of 44-Cubic-Inch. It is suitable for use with conduit. This box is great choice for exposed work applications, offering an easy method for the installation of electrical devices. Raised ground screw location in the welded box saves installation time. Box is UL listed.