You're adding an outlet to a finished wall - no way to access the framing from behind, no existing box to nail to, and you need something that will hold securely without opening the wall. This 1-gang PVC remodel box is the standard solution for that exact job. 1-gang PVC remodel box with nail-on mounting wings. For 1/2-inch drywall (adjustable depth accommodates standard 1/2-inch wallboard). PVC body won't crack or corrode - appropriate for dry location outlet and switch boxes. Two nail holes for securing to the face of the framing member through the wall. Knockouts for standard 1/2-inch conduit or NM cable fittings. The go-to box for electricians and remodelers running old-work circuits in finished homes across Knox County, Cedar County, and Plymouth County - the box that makes a new outl Stocked at Crofton Lumber and Akron Lumber.