3-1/2 In. Dia. 1/2 In. Knockout Gray Octagon Box Cover

Description

Steel metallic round cover with a 1/2 In. knockout in its center. It is designed to house and protect electrical wiring, switches, and receptacles. It conveniently closes 3-1/2 In. octagon boxes when used as junction boxes. Additionally, this cover is UL listed for safety.