Legrand - Wiremold NMW2 Single Gang Plastic Switch/Outlet Box, White Fits over existing single-gang outlet to feed power as the starting point for your system (1"deep) Finish: white Material: plastic It is Single Gang White Plastic Switch/Outlet Box It is 4-3/4 inch x 3 inch x 1-3/8 inch Accepts Standard Wiring Devices & Wall Plates Carded