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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 201050473 - Burn - Electrical Fault In Panelboard

Accident: 201050473 -- Report ID: 0950642 -- Event Date: 08/14/1996
InspectionOpen DateSICEstablishment Name
11978461908/14/19963341American Racing Equipment Inc
A maintenance electrician in a large wheel manufacturing plant was replacing circuit breakers in a panelboard. The circuit breakers had been damaged during the failure of the transformer fuses protecting the building's electrical service. The maintenance electrician removed all the breakers from the panelboard before a service crew from the electric utility arrived and replaced the transformer fuses. That crew left after checking to see that the main circuit breaker was still open. The maintenance electrician checked the position of the main circuit breaker handle and checked the busbars on the panelboard with a multimeter before he started installing the replacement breakers. The panelboard became energized, however, and an electrical fault occurred when the electrician installed one of the breakers. The maintenance electrician suffered second- and third-degree burns on his face and both forearms from the ensuing electric arc. He was hospitalized for his injuries.
Keywords: burn, e gi ii, electric arc, electrical, electrician, panelboard, electrical work, lockout, circuit breaker, electrical fault
Employee # Inspection Age Sex Degree Nature Occupation
1 119784619 Hospitalized injury Burn/Scald(Heat) Electricians

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