Arlington Industries Box Extender (2-Pack)

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