MadSci Network: Engineering
Query:

Subject: Does turning flourescent lights on/off use more electricity?

Date: Mon May 31 06:47:54 1999
Posted by Lynn McDonald
Grade level: nonaligned School: No school entered.
City: New Caney State/Province: Texas Country: USA
Area of science: Engineering
ID: 928151274.Eg
Message:

Our building has flourescent lighting.  Some offices have occasional use.  Does it cost more in electrical consumption and wear and tear of ballast and bulbs to turn the lights on/off or to just leave them on even when no one is using the office? 
Someone stated that turning the lights on/off used 40 minutes of life expectancy from the bulb and ballast, is this true?


Re: Does turning flourescent lights on/off use more electricity?

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