They did not, however, replace the ballasts with ones of the correct rating. Some of the light fixtures subsequently overheated. No confirmed fires have been caused by the mismatch. Information from Underwriters Laboratory, GE Lighting Technology, and other DOE sites does not confirm a fire hazard but does indicate that tube life may be shortened and the tube ends blackened by arc swirling. Analyze Hazards and Implement Controls.
Individual workers assist in the work planning and hazard identification and analysis process.