Twist On Wire Connector Color Blue/Gray For Conductor Material Copper Maximum Operating Temperature 221 Degrees F Maximum Voltage 600 V Minimum Wire Combination (3) 14 AWG Maximum Wire Combination (5) 10 AWG Contact Material Steel UL 94 Flammability Rating V-2 Maximum Conductors 6 Standards CE CSA Certified UL Listed Wire Connector Style Wing Fill Material Silicone Insulation Material Thermoplastic Polyester Maximum Single Wire Size 6 AWG Minimum Single Wire Size 16 AWG