This ILSCO Surecrimp compression lug is designed for reliable copper conductor termination. It features an electro-tin plated finish for corrosion resistance and a chamfered entry for easy conductor insertion. Suitable for use in circuits rated 35kV or less with proper high voltage spacing and insulation techniques. UL Listed and CSA Certified, this lug offers application versatility with ILSCO and major competitor tools. It is also UL 467 listed for grounding and bonding applications and suitable for direct burial.The ILSCO CSWD-4/0-12-134 is a 2-hole copper compression lug designed for 4/0 AWG conductors. It features a standard barrel with a sight window and is electro-tin plated. The lug has a 1/2 inch stud size and 1-3/4 inch mounting hole spacing. Its dimensions include a tongue size of 3 inches L x 0.999 inches W x 0.141 inches THK, an overall length of 4.366 inches, and a width of 0.999 inches. The barrel has an inner diameter of 0.546 inches, an outer diameter of 0.687 inches, and a length of 0.875 inches. The mounting hole size is 0.562 inches, and the wire strip length is 0.9370 inches. It is rated for 600V AC and 90 degrees C.