18 cu. in. PVC Old Construction Ceiling Electrical Junction Box, Ceiling Box, ETL Listed, Gray (10 Pack)

This ceiling electrical junction box is for the use of ceiling fixtures up to 50lbs in old or existing construction of residential or commercial buildings. Specifically designed for old construction projects, these retrofit non-metallic junction boxes make it easy to secure the box into your existing drywall by tightening the screws so the tabs on the junction box sit flush with the drywall. With a spacious 18 cubic inch capacity, this ceiling box can easily accommodate a ceiling fixture with sufficient support. Crafted from heavy duty PVC material, it ensures stability, rigidity and meets UL514C and UL263 standards for a 2-hour fire rating. Featuring 4 knockouts with a ground lug screw the j-box is 4” in diameter by 2.25” deep, making it ideal for all electrical contractors. Elevate your electrical system with our reliable and versatile ceiling j-box that is backed by a 1 year warranty.