Fulham Lighting Fulham Racehorse Linear Ballast for T5HO, RHA-UNV-254-LT5 Programmed Preheat Start for extended lamp life in frequent switching applications, End of Life (EOL) Protection to safely remove power from the lamp as it nears end of life Cold Starting to ensure proper functionality even in low temperature applications (-18C), Improved Reliability due to precision control flicker-free operation Auto-Restart which eliminates the need to reset the power mains after lamp replacement