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Crit21 · 07/06/2006, 09:08 PM

The wattage of the bulbs does not necessarily equal the power consumed. Don't forget that the power supplies lose energy as heat too. Power consumption of a 150W ballast can be higher than the 150W the bulb itself uses.

07/06/2006, 09:08 PM	#11
Crit21 Registered Member Join Date: Dec 2004 Location: Fairbanks, AK Posts: 1,429	The wattage of the bulbs does not necessarily equal the power consumed. Don't forget that the power supplies lose energy as heat too. Power consumption of a 150W ballast can be higher than the 150W the bulb itself uses.