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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 202539953 - Employee Is Burned When Circuit Breaker Explodes

Accident: 202539953 -- Report ID: 0950641 -- Event Date: 09/23/2008
InspectionOpen DateSICEstablishment Name
30086905409/26/20087349California Facility
At approximately 10:00 a.m. on September 23, 2008, Employee #1, a certified electrician, was told by his boss to change a circuit breaker on a panel. The location of the incident site is a maintenance room in a hangar with 4160-V sub-station (Jeffries three-phase 4160-V transformer) for furnace distribution. The particular line Employee #1 worked on is a 480-V and 200-amp circuit breaker. Employee #1 planed to turn the power off and take off one circuit breaker and use this one to replace a nonworking one on another panel. The switch on circuit breaker exploded when Employee #1 tried to turn the power off. Employee #1 caught on fire and was seriously burned. Employee #1 suffered second-degree and third-degree burns and was hospitalized until December 8, 2008.
Keywords: burn, electrician, explosion, circuit breaker, electrical cabinet, electrical fault
Employee # Inspection Age Sex Degree Nature Occupation
1 300869054 Hospitalized injury Burn/Scald(Heat) Electricians

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