Copper Compression Butt Splice, Standard Barrel, No. 8 American Wire Gauge (AWG), Color-coded barrels marked with Panduit and specified competitor die index numbers for proper crimp die selection, Internal wire stops to prevent over-insertion of conductor, Tin-plated to inhibit corrosion, UL Listed and CSA Certified to 35 KV and temperature rated to 90 Degrees Celsius when crimped with Panduit and specified competitor crimping tools and dies, UL Listed and CSA Certified for wide wire range-taking capability when crimped with Panduit Uni-Die Dieless Crimping Tools, Tested by Telcordia meets NEBS Level 3, American Bureau of Shipping Approved.