Specially designed, easy piercing, self-sealing insulation over stranded copper wire for use with the Lx Lighting System. Markings for socket placement every two inches. For use with Lx track, lamp holders and transformers. UL and C-UL listed. 105°C 10/2 cable for indoor use only. Maximum wattage per length 300w at 12V; 600w at 24V. Cable is not rated to be run behind walls. Check local codes.