ILSCO Neutral Bar, Mechanical connection, Copper material, 2 mounting hole(s), mounting bolt/stud size #10-32 in, mounting hole spacing 1.125 in., UL 486A/B Recognized, C22.2 No. 65-03, Copper Primary Conductor 250 kcmil - 6 Str, Copper Secondary Conductor 10 Sol - 14 Sol and 6 Str - 14 Str, 4 conductors, Drive Type Main Slotted, primary color Copper, 1 poles,