Flat Trailer Cable is made to American Wire Gauge standards which means up to 12% more tinned copper conductors than SAE wire. Product Features: 16/4 AWG. Stranding is tinned for corrosion resistance. Four conductors, brown, green, white and yellow in a white outer jacket insulation. Outer jacket is made for easy removal and provides the best abrasion resistance available. Proprietary vinyl insulation stays flexible even in extreme cold and resists saltwater, battery acid, oil, gasoline and ultra-violet radiation. Exclusive insulation is rated at 600 volts, 105 C dry and 75 C wet, and is resistant to heat and abrasion.