ILSCO Copper Pigtail Adaptor, Compression connection, Dual Rated, Copper material, Tin plated connector,Standard barrel, UL 486A/B Listed, C22.2 No. 65-03, 180. connecting angle, Copper/Aluminum Primary Conductor 4/0 Str, Contains DE-OX®, 1 conductors, no sight window, Supplied with insulating cover insulation, rated for 600 V, die color code White, primary color Silver, die index 12,