Accommodating standard Nora Lighting reflectors, trims, and LED retrofits, fire-tested NFB Series Fire Box features airtight housing assembly available in 4, 5, and 6 in. apertures. Dedicated housings are available for Nora retrofit LED light sources as well as incandescent and CFL. This 2 hr-rated unit, which is also UL listed and IC rated, features non-combustible fiber fill, allowing use in standard applications as sound canceling housing between floors.
This story is related to the following:Enclosures | Lighting Fixture Fire Rated Enclosures