This Daisy Chain Power Cord System is specially designed for the new Model-One System to interconnect between the LED drivers, the system can eliminate a massive amount of power outlets, and reduce the number of power cables required. Each group of Model One drivers must be connected to power using one of the TDC-120/240/240E power cables. The TDC-2/3/4 are used to connect the power and the control signal from one LED driver, to the next LED driver. MANUAL TECH SHEET