BE1 10pcs Electrical Outlet Box Extender with 20 Screws, Box Electrical Power Outlet Box Extender, Singer Gang Power Switch Receptacles Accessories (SLK1) (10)

This electrical outlet box extender is made of high temperature resistant 94VO rated flame retardant PA material, finely processed. This electrical outlet box extender for porable electrical boxes and 4-inch square electrical boxes with gypsum rings is used to extend electrical boxes up to 1-1/2 inches. Once it is installed, the non-metallic sidewalls completely enclose the unit, creating an insulating barrier. Self-leveling support for outlets, switches, GFCIs, receptacles, and other standard equipment.

• Durable Material: These electrical outlet box extenders are made of high temperature resistant 94VO rated flame retardant PA material, finely processed, good flame retardant performance and reliable and long-lasting.
• Main Function: These electrical outlet box extender for porable electrical boxes and 4-inch square electrical boxes with gypsum rings is used to extend electrical boxes up to 1-1/2 inches. Self-leveling support for outlets, switches, GFCIs, receptacles, and other standard equipment.
• Feature:These electrical outlet box extenders can be easy to install. They can ensure a safe and reliable installation. Once these are installed, the non-metallic sidewalls completely enclose the unit, creating an insulating barrier.
• Package Content: 5-10 pcs extending electrical boxes and matching screws. Which can be combined into two sets of electrical outlet box extenders.The extender box fits standard US electrical boxes ranging from 2 1/8 inches to 4 inches in width and 1 1/2 inches to 2 1/8 inches in depth.
• Quality Assurance: These electrical outlet box extenders have ETL certification. You can use them With confidence.