Sigma Engineered Solutions, Gray Sigma Electric 14250 1/2-Inch 3 Hole 1-Gang Box
- (Pack of 2) 1 Gang extending electrical boxes. Used for extending electrical boxes up to 1-1/2-inches.
- Automatically levels and supports outlets, switches, GFCIs, receptacles 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. Manufacturer limited lifetime warranty.