US Patent 7432452 Snap-in connector for electrical junction box

In a snap-in electrical connector for attaching helical metal cable and conduit to a junction box or the like, the connector having the locking ring with flexible tabs engageable with the cable/conduit, the improvement wherein the tabs have legs angled inwardly of the ring at specified angles, tips that form specified angles with the legs, and tip ends that are biased relative to the legs in the same direction. The specified angles of the legs, tips and tip ends provide improved pull-out strength, electrical conductivity and stability for a wide range of sizes and types of cable and conduit, including metal clad cable, armored cable, and flexible metal conduit, made of aluminum and steel.