Twist-On Wire Connectors, Color Blue, For Conductor Material Copper, Maximum Temperature 221 Degrees F, Maximum Voltage 600 V, Minimum Wire Combination (3) 12 AWG, Maximum Wire Combination (1) 6 AWG with (2) 8 AWG, Contact Finish Zinc, Contact Material Steel, UL 94 Flammability Rating V-2, Maximum Conductors 6, Standards CSA Certified, UL Listed, Wire Connector Style Wing, Fill Material Not Applicable, Insulation Material Polypropylene, Maximum Single Wire Size 6 AWG. This item has been restricted from sale in the following state (s): []