25 Pcs BE1-2 Electrical Outlet Box Extenders with Screws, 1-Gang Electrical Outlet Box Extender, Single Gang Box Extender Electric Box Extender 1 Gang Power Outlet Accessories (White)

Main Function- Our electrical box extender is suitable for portable electrical boxes and 4-inch square electrical boxes, equipped with a plaster ring to extend the electrical box to 1-1/2 inches. Provides self-leveling support for sockets, switches, GFCI, receptacles and other standard devices. | Durable Material- Our socket box extender is made of high-temperature resistant 94VO grade flame-retardant PA material, which has good flame retardancy, reliable and durable, and fine processing. | Safe Installation- Our electrical outlet box extender ensures safe and reliable installation. After installation, the non-metallic side wall completely wraps the device to form an insulating barrier. | Features- The continuous, smooth, non-metallic side wall completely wraps the device to form an insulating barrier between the device and the metal box. | Innovative Sound Isolation- Special design can reduce sound transmission through the wall, making these electrical box extenders for sockets ideal for residential, commercial and industrial environments.can