... construction is phase conductor with neutral bare conductor or phase conductor with insulated neutral conductor , etc. And ... conductor , polyethylene or cross linked polyethylene insulation, concentric strand AAC, ACSR, or 6201 alloy nertral messenger. 3.2 Triplex ... insulation . ConstructionConcentic strand or cmpressed 1350-H19 conductor , polyethylene or cross linked polyethylene insulation, ...