The Electrical Box Extender lends support to the contents of a wall box. This non-conductive extender helps prevent arcing by forming a barrier between the box and the metal screws on the device. This box extender has a 2-hour fire rating.
- Levels and supports wiring devices in an electrical box
- Helps prevent arcing by forming a barrier between a metal box and metal side screws on the device
- Heavy-duty, non-conductive plastic construction
- UL and CSA safety listings
- Complies with 2008 NEC Article 314.20