Arlington Industries NM942-25 Snap-In Black Button Cable Connectors for up to 1/2 Cable Separately with 1/2" Knockout (Pack of 25), Black Low cost and fast to install- simply push connector into the knockout Removable and reusable All plastic construction, tool free installation Holds one or two cables sized 14/2, 12/2, 10/2 or holds one 12/2 & 14/2, 14/2 & 10/2, 12/2 & 10/2 gauge cables Exceeds ul/csa pullout requirements