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Watts loss in ballasts

Posted by BobB on April 26th, 2001 11:56 AM
In reply to Florescent Lighting Cost Savings? by Dodgeman on April 26th, 2001 11:32 AM [Go to top of thread]

Greetings Dodgeman, Actually the watts loss in a typical magnetic ballast for a fluorescent fixture is relatively small. For example, an industrial two tube fixture for F96T-12 bulbs ( 8 ft. long, 110 watt lamps) , would consume about 220 watts for the two bulbs, and about 25 to 30 watts more for the ballast; for a total of 245 to 250 watts. These numbers were taken from a Sylvania Engineering bulletin, and they will vary between manufacturer, and lamp/ballast configuration, but it gives you some idea.

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