Linder Group Inc 5 Piece Round Electrical Box Extender Flame Retardant Plastic Ceiling Box Extenders for 3 Point 5 Inch and 4 Inch Octagonal Boxes White

This convenient five pack of round electrical box extenders comes complete with ten mounting screws, giving homeowners and electricians sufficient supplies for routine electrical maintenance and remodeling projects

Crafted from flame retardant plastic rated at 94VO, these extenders withstand high temperatures without deforming, ensuring exceptional structural durability and reliable long term performance across indoor environments

Measuring approximately 4.35 inches across by 1.5 inches deep, these extenders fit both 3.5 inch and 4 inch round or octagonal electrical boxes to deliver seamless compatibility with standard ceiling fixtures and wall devices

Designed with self leveling support capabilities, each unit easily accommodates standard wall switches, ceiling lighting fixtures, GFCIs, and standard receptacles to eliminate recessed installation gaps

The sturdy nonmetallic sidewalls fully enclose internal electrical connections upon installation, creating an effective insulating barrier that improves household safety and prevents dangerous contact

Simple installation requires only basic hand tools to mount these extenders directly over existing junction boxes, providing an ideal leveling solution for newly tiled, paneled, or drywalled ceiling and wall surfaces