3M™ Scotchlok™ Insulation Displacement Connector 567 Electrically Connects A Tap Wire to A Run (Through) Wire While Insulating The Connection. This Connector Is Suitable For Control Circuit Wiring, Fixture Wiring, Appliance Wiring, Signal and Pa Systems and Automotive/Boat/RV Wiring. Polypropylene Insulated and Self Stripping.