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• n  an electrical device for starting and regulating fluorescent and discharge lamps

• ballast

News & Articles

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• Small fire at Oak Ridge Uitility District building extinguished
  OAK RIDGE — A light ballast that failed caused the fixture to overheat and ignited paper backing on insulation in the ceiling of the Oak Ridge Utitlity District building on South Jefferson Circle about 6:40 a.m. Thursday.
  June 13, 2013 - Knoxville News Sentinel