You're adding two devices side-by-side on a finished wall — a receptacle and a switch, two outlets, or a receptacle and a data connection — and a single-gang box won't give you the room you need. This 2-gang PVC remodel box handles the width requirement without requiring access behind the wall. 2-gang PVC remodel box for old-work installation. Sized for two devices side-by-side in a 2-gang opening. Fits standard 1/2-inch drywall (adjustable depth). PVC body — won't crack, won't corrode, appropriate for dry locations. Mounting wings nail to the face of the framing through the wall. Knockouts for standard 1/2-inch conduit or NM cable fittings. What electricians and remodelers across northeast Nebraska and northwest Iowa reach for when the job calls for two devices in a finished wall and ther Stocked at Crofton Lumber and Akron Lumber.