Long-Barrel Splice Barrel Finish Tin Plated Barrel Size Long Color Code Gray Die Code 29 For Conductor Material Copper For Wire Type Stranded Material Copper Maximum Voltage 600 V Minimum Wire Size 4 AWG Maximum Wire Size 4 AWG Number of Crimps 4 Overall Length 1.77 in Maximum Conductors 1 Maximum Operating Temperature 300 Degrees F RoHS Compliant Yes Seam Style Seamless Standards ANSI UL 486A-486B Barrel Inside Diameter 0.27 in Barrel Outside Diameter 0.37 in