CAM-LIGHT box for suspended ceilings. Non-metallic, 27.0 cu. in. Rated up to 50lb on suspended ceiling or drywall in combination with dropwire. Installs with 4" hole saw. Rated 10lbs on drywall ceilings without dropwire. Rated 7lbs on walls. Box has 1/2" and 3/4" knockouts. With Grounding Clip.