Arlington BE1-5 Electrical Outlet Box Extender, 1-Gang, White, 5-Pack

Used for extending set back electrical boxes up to 1-1/2-inches, levels and supports wiring device | Automatically levels and supports outlets, switches, GFCIs, and other standard devices | Works with handy boxes and 4-inch square electrical boxes with plaster rings for single switches | Manufactured from 94VO rated flame retardant plastic for safer installations, two hour fire rating | Compliant with 2008 NEC Article 314.2 | Used for extending set back electrical boxes up to 1-1/2-Inch, levels and supports wiring device | Automatically levels and supports outlets, switches, GFCIs, and other standard devices | Also used for handy boxes and 4-Inch square electrical boxes with plaster rings for single switches or receptacles | Manufactured from 94VO rated flame retardant plastic for safer installations, two hour fire rating | Compliant with 2008 NEC Article 314.2