ILSCO Mechanical Lug, One Conductor, Mechanical connection, Dual Rated, Aluminum material, Tin plated connector,1 mounting hole(s), mounting bolt/stud size 3/8 in, UL 486A/B Listed, C22.2 No. 65-03, Copper/Aluminum Primary Conductor 600 kcmil - 4 Str, 1, 2 conductors, 1 ports/wireways, Drive Type Main 1/2 Internal Hex, rated for 35 kV, primary color Silver, 1 poles,