3M Scotchlok Insulation Displacement Connector 314U provides a dual element connection for dry environment applications. The connector is nylon insulated and used to connect 2 or 3 wires. It is self stripping and flame retardant.3M Scotchlok Insulation Displacement Connector 314U is 600V rated for building wire and 1000V rated for signs, fixtures and luminaires. It withstands temperatures of 221 degrees F (105 degrees C). UL Listed, CSA Certified and RoHS 2011/65/EU Compliant.