... or cmpressed 1350-H19 conductor , polyethylene or cross linked polyethylene insulation, concentric strand AAC, ACSR, or 6201 alloy nertral messenger ... cmpressed 1350-H19 conductor , polyethylene or cross linked polyethylene insulation, concentric strand AAC, ACSR, or 6201 alloy nertral messenger ... to supply 3 phase power , usually from a pole-mounted transformer to the use`s servic head where ...