An electrical outlet box and/or assembly is attachable to a wall or ceiling stud. The assembly in one embodiment includes an outlet box having a perimetrical side wall, a back wall and open front face defining a box interior. The assembly may also include a communications frame. A mounting bracket is integrally formed with the box and extends from the side wall. The mounting bracket includes, integrally formed therewith, an attachment structure for directly securing the bracket to the stud and positionally fixing the bracket without the use of additional securement hardware. The bracket may be a U-shaped member having a planar face abutting the face of the stud and a pair of spaced apart arms extending therefrom for engagement with opposite sides of the stud. The assembly may also support more than one box/frame. The box and frame may be supported on either side of the bracket.