ILSCO Box-Type Mechanical Lug, Mechanical connection, Dual Rated, Aluminum material, Tin plated connector,1 mounting hole(s), mounting bolt/stud size #10-32 in, UL 486A/B Recognized, C22.2 No. 65-03, Copper Primary Conductor 1/0 Str - 14 Str and 10 Sol - 14 Sol, Aluminum Primary Conductor 1/0 Str - 12 Str and 10 Sol - 12 Sol, 1 conductors, 1 ports/wireways, Drive Type Main Slotted, rated for 35 kV, primary color Silver, 1 poles,