Ferrule Contact Finish Tin Contact Material Copper Ferrule Diameter 0.06 in Ferrule Material Copper Insertion Length 3/8 in Insulation Color Gray Insulation Material Nylon Maximum Operating Temperature 221 Degrees F Maximum Voltage 600 V Minimum Wire Size 18 AWG Maximum Wire Size 18 AWG Termination Style Crimp RoHS Compliant Yes Standards cULus Listed Barrel Diameter 0.11 in Barrel Finish Tin Plated Barrel Length 0.25 in Barrel Material Copper Maximum Conductors 1