ILSCO Mechanical Lug, One Conductor, Mechanical connection, Copper material, 1 mounting hole(s), mounting bolt/stud size 5/16 in, UL 486A/B Listed, C22.2 No. 65-03, Copper Primary Conductor 4/0 Str - 2 Str, 1 conductors, 1 ports/wireways, Drive Type Main 7/32 Internal Hex, rated for 35 kV, primary color Copper, 1 poles,