The BURNDY YS4C long barrel compression butt splice is designed for reliable electrical performance. Key features include Type YS Long Barrel, Stranded Copper Conductor, 4 AWG Conductor, 2.55 in Length, Long Barrel, 19 in Barrel, 600 to 35000 VAC, 1-3/16 in L Wire Strip, 8/346 Die Index, 90 deg C, Copper, Gray, Tin Plated.