ILSCO Power Distribution Block, Mechanical connection, Dual Rated, Aluminum material, Tin plated connector,mounting bolt/stud size #10 in, UL 1059 Recognized, C22.2 No. 65-03, Copper/Aluminum Primary Conductor 600 kcmil - 2 Str, Copper/Aluminum Secondary Conductor 2 Str - 14 Str, 1/0 Str - 14 Str, 10 conductors, Drive Type Main 1/2 Internal Hex, Drive Type Tap 3/16 Internal Hex, rated for 600 V, primary color Black, 1 poles, 1 ports per pole primary, 9 ports per pole secondary,