mbrooke Batteries Included Location United States Occupation Technician Jun 17, 2016 #1 What happens when an HPS lamp is under driven? 400 watt in a 250 watt ballast or 150 watt in a 100 watt ballast. Will the bulb cycle?
What happens when an HPS lamp is under driven? 400 watt in a 250 watt ballast or 150 watt in a 100 watt ballast. Will the bulb cycle?