P pineappleface Jul 24, 2008 #1 You can run 4 T5HOs with a 660, and it will overdrive each @ 60watts.
G gmax Jul 24, 2008 #2 The ballast should tell you on the wiring diagram the number and length of bulbs it can maximum handle. Or call Icecap and asked them. Shorter bulbs means more bulbs on the 430 I know. I assume its similar with the 660.
The ballast should tell you on the wiring diagram the number and length of bulbs it can maximum handle. Or call Icecap and asked them. Shorter bulbs means more bulbs on the 430 I know. I assume its similar with the 660.
