The LCA3/0-12-X Tin-Plated Copper Compression Lug, One-Hole, Standard Barrel, Has Color-Coded Barrels Marked With Panduit and Specified Competitor Die Index Numbers For Proper Crimp Die Selection. An Inspection Window Aids to Visually Assure Full Conductor Insertion, and The Tin-Plate Material Helps to Inhibit Corrosion. Ul Listed and Csa Certified to 35 KV and Temperature Rated to 90°C.