Concrete Ring, 3-1/2" Deep, 3/4" & 1" Double Row Knockouts

Hubbell Electrical / RACO Bell Concrete octagonal ring is used with poured deck/floor in high-rise construction. Box is installed on wooden or steel concrete forms. It is made of galvanized 0.0625-Inch steel that provides strength and durability. Ring has a capacity of 49.3 cubic inches. Box with flat side offers excellent contact for lockout. It features external ears that helps nail the ring to the wood form. Ring has removable top cover to offer pour work. It features waxed fixture ears to av