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Old 08/14/2003, 09:24 PM
David P David P is offline
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Join Date: Jul 2002
Location: Valencia, So Cal
Posts: 3,192
if your trying to figure how much electricity you use for lighting, dont forget that your ballast draws more wattage than what the bulb says. So your ballast may be bulling 290 w. for a 250 w bulb.
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