Panduit LCA10-56-L Code Conductor Lug, One-Hole, Standard Barrel with Window, #14 - #10 AWG STR, #12 - #10 AWG SOL Copper Conductor Size, 5/16" Stud Hole Color-coded barrels marked with Panduit and specified competitor die index numbers for proper crimp die selection Inspection window to visually assure full conductor insertion Tin-plated to inhibit corrosion UL Listed and CSA Certified to 35 KV** and temperature rated to 90C when crimped with Panduit and specified competitor crimping tools and dies Certified for wide wire range-taking capability