2 Hole Long Barrel Copper Compression Lug 1 AWG - 5/16" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.