Ancor Triplex Wire is constructed with premium vinyl insulation that is rated at 600 volts, 105 degrees C dry and 75 degrees C wet, stays flexible even in extreme cold (-40 degrees F/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.