3M Performance Plus Wire Connector Blue W/Gray Skirt

Electrical spring connectors feature 3-part construction: Flexible PVC insulation, steel inner shell, and powerful spring grip. Unique spring grips quickly and bites into conductors for a solid, secure connection. Color coded for easy identification. Flexible skirt covers over-strips and conforms to whatever space is available in the electrical box. UL (Underwriter's Laboratories) listed. CSA (Canadian Standards Association) certified.