Plastic extension ring for set back metal boxes
- Box Extender, levels and supports the wiring device where the box is set back from the wall surface extends the box up to 1-1/2
- Available in 4 different versions: 1-gang, 2-gang, 3-gang & round/octagonal boxes
- Solves issues related to miscut holes and set back boxes
- 2 hour fire rating. Meets UL 514C:2014 & CSA C22.2#18.2:2006
