The BURNDY Lug 4.0 Cu 1 Hole Long is an ideal choice for those needing a reliable connection. Featuring 4/0 AWG CU, a 1/2 stud size, a long barrel, and internal chamfer, this lug supports up to 35kV and offers a 90°C rating. With a tin plated finish and UL/CSA certification, it has a PURPLE Color Code for easy identification and a 15 die index.