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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 200651842 - Burn - Electrical Fault In Electrical Box

Accident: 200651842 -- Report ID: 0521100 -- Event Date: 03/31/2011
InspectionOpen DateSICEstablishment Name
31528799503/31/20111731Faith Technologies Inc
A foreman and an electrician's helper were assigned to remove a temporary electrical service from a construction site. A permanent 480-volt transformer on the site supplied the temporary service. When the employees arrived at the temporary service, they saw that the meter had been pulled and an insulated cover was over the contacts, with a seal on the meter box. The foreman opened an electrical box adjacent to the meter. This box enclosed the main disconnect for the feeder from the transformer to the meter. The foreman watched as the helper tested the feeder. The feeder from the disconnect was deenergized on the load side of the disconnect. The foreman told the helper that he could disconnect the temporary service, and the foreman left the immediate area. The helper cut the feeder on the supply side of the disconnect, which was still energized, and caused an electrical fault. The ensuing electric arc threw the helper about a meter back and ignited his clothing. The employee received first- and second-degree burns on the front midsection of his body and on small areas on his face. He was hospitalized at a burn center for his injuries. He was released as an outpatient several days later.
Keywords: burn, clothing, electric arc, electrical, electrical work, lockout, e c, electrical fault, untrained
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Commercial building New project or new addition $1,000,000 to $5,000,000 1
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 315287995 Hospitalized injury Burn/Scald(Heat) Helpers, construction trades FallDist:
FallHt:
Cause: Interior plumbing, ducting, electrical work
FatCause: Fire/explosion

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