Ortech Oxr-04 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