PWB-203 and PWB-253 are 3-inch deep versions of the PWB-200 and PWB-250 respectively. One steel duplex cover plate (PWB-203/253) and one steel Decora cover plate (PWB-253 only) is included for convenience and to ensure proper fit in the shallow back box. PWB-200 series balance quality and cost, bringing fully featured wall boxes to at an affordable price. All models are ready to install and include a two part cover with mounting screws in either black or white, back box, screws for wood or steel stud mounting, grounding screws, tie wraps, and a rubber grommet.

One of the single gang knockouts has a 1 x 2-inch oblong internal knockout and can be used with the supplied grommet. There are four models designed to fit the individual application requirements. PWB-200 is approximately 7 x 7 x 4-inch with two single gang knockouts, and one IPS knockout to mount up to six single IPS plates. The unit is designed to fit 2 x 4-inch stud walls. The largest and highest capacity model is the PWB-250. This unit is approximately 14.25 x 7 x 4-inch and has three single gang knockouts and one IPS knockout to mount up to six single IPS plates. In addition, a removeable passthrough enclosure provides an additional single gang knockout and can be used to isolate cables that the installer may need to pass through the backbox. Specifically sized for installation in 2 x 3-inch stud walls.