Twist On Wire Connector Color Black For Conductor Material Copper Maximum Operating Temperature 302 Degrees F Maximum Voltage 600 V Minimum Wire Combination (1) 18 AWG with (1) 20 AWG Maximum Wire Combination (2) 14 AWG Contact Material Steel UL 94 Flammability Rating V-2 Maximum Conductors 5 Standards CSA Certified UL Listed Wire Connector Style Standard Compatible with Product Type High Temperature Insulation Material PBT Maximum Single Wire Size 14 AWG