500PCS BE1-2 Electrical Outlet Box Extender with Screws,1-Gang and 2-Gang Box Electrical Power Outlet Box Extender, Single Gang and Double Gang Power Switch Receptacles Accessories (SLK-2)

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: 500 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.