3M Scotchlok Insulation Displacement Connector 804 electrically connects a tap wire to a run (through) wire while insulating the connection. The connector is polypropylene insulated, self stripping and offers a moisture resistant seal.3M Scotchlok Insulation Displacement Connector 804 is suitable for control circuit wiring, fixture wiring, appliance wiring, signal and PA systems and automotive/boat/RV wiring. It is 600V rated and withstands temperatures of 167 degrees F (75 degrees C). UL Listed and RoHS 2011/65/EU Compliant.