Halex 90512 Clamp Connector, 3/4 in, Zinc (Bag 5) | Fits non-metallic cable, such as Romex, number 14/2 round, number 12/3 to 8/3 AWG or flex cord 0.460 to 0.720 in Dia. In a dry location, use to connect non-metallic sheathed cable to a steel outlet box or other metal enclosure. UL listed, meets CSA requirements.