Description
Features:
- 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
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