... insulation, concentric strand AAC, ACSR, or 6201 alloy nertral messenger. 3.2 Triplex Service Drop Applications ... insulation, concentric strand AAC, ACSR, or 6201 alloy nertral messenger. 3.3 Quadruplex Service Drop Applications ... 4. B-399 Concentric-Lay_Stranded 6201-T81 Aluminum Alloy Conductors. 5. B498 Zinc-Coated Steel Core Wire ... OR as your special request High Quality Aerial Bundled Cable