Overdriven and HOT!
jedijfo1
17 years ago
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I just installed some overdriven 4 foot light fixtures (2 bulbs each). They are the standard Shoplights with SL15 ballasts from HD running 2 T8 bulbs.
There are 2 fixtures hanging from each level of a 6' high x 4' wide foot wire rack for a total of 4 fixtures (8 bulbs). They are space 4" above a thermometer and they are hot....I can only touch the bulbs for 5 secs or less so I would estimate the temperature at the surface of the bulb to be around 130F+. I have the long sides of the rack covered with mylar to keep the light out of an ajoining room.
The room temperature is 66, near the rack is 77 and under the lights (4") the tempeature is close to 88.
Is anyone else seeing this? I have some T8 bulbs down int he basement (60F) and they are slightly warm to the touch.
If I need forced air cooling, I may go back to the standard T8 non-overdriven fixtures.
shrubs_n_bulbs
maineman
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capm
capm