Cable with Self-Sealing Insulation Over Copper Stranded Wire. Specially designed, easy piercing, self-sealing insulation over sranded copper wire for use with the Ambiance® LX Lighting System. Markings for socket placement every 2". For use with track. UL and C-UL listed. 105°C 10/2 cable for indoor use only. Maximum wattage per length 300w at 12v; 500w at 24v.