TheLCD4-14BFNS-L Nickel/Silver Plated Copper Compression Lug, two-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, the Nickel/Silver plated material has high thermal conductivity which facilitates the efficient transmission of electricity and heat. cULus Listed to 35 KV and temperature rated to 90°C.