Twist-On Wire Connectors, Color Blue, For Conductor Material Copper, Maximum Temperature 221 Degrees F, Maximum Voltage 300 V, Minimum Wire Combination (2) 22 AWG, Maximum Wire Combination (3) 16 AWG, Contact Finish Zinc, Contact Material Steel, UL 94 Flammability Rating V-2, Maximum Conductors 5, Standards CE, CSA Certified, UL Listed, Wire Connector Style Standard, Fill Material Not Applicable, Insulation Material Polypropylene, Maximum Single Wire Size 14 AWG, Minimum Single Wire Size 18 AWG. This item has been restricted from sale in the following state (s): []