27511 1/2" NM HIT LOCK CONNECTOR (Pack of 5) | Fits #14/2, #14/3, #12/2, #10/2, #10/3 NM cable. Snap-in, no screws or locknuts required. In a dry location, use to connect non-metallic sheathed cable to a steel outlet box or other metal enclosure. Design allows for two-step installation. Push into box and insert cable. UL listed, CSA certified.