TX12 Outdoor Track 10 Gauge/3-Wire Cable is a heavy duty 10-gauge 3-wire cable allowing for longer runs at 12 volts with reduction of voltage drop insuring 12 volts at fixture. Available in Black or White. UV stabilized and flame retardant. Use transformer boost tap if output falls below 10.4 volts. Order one extra foot per system for power connections. Can be installed above ground or buried. Insulation is self-sealing. ETL listed. Rated for wet locations. Sold by the foot.