. Ancor's Triplex Cable is constructed with premium vinyl insulation that is rated at 600V, 105oC dry and 75oC wet, stays flexible even in extreme cold (-40oF/C) and resists salt water, battery acid, oil, gasoline, heat, abrasion and ultra-violet radiation. Highest quality ultra flexible (Type 3) tinned copper stranding provides maximum protection against corrosion and electrolysis while resisting fatigue due to vibration and flexing.