A strain-relief clamp for securely engaging a multi-conductor cable between two relatively movable pieces at a position closely adjacent the connections of the conductors to the terminals of an electrical plug, receptacle, or other wiring device. A first piece includes a hollow, cylindrical shell having...http://www.google.com/patents/US5021006?utm_source=gb-gplus-sharePatent US5021006 - Cable clamp for electrical connector
