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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 202612834 - Burn - Electrical Fault In Switchgear

Accident: 202612834 -- Report ID: 0950612 -- Event Date: 03/29/2011
InspectionOpen DateSICEstablishment Name
31536308504/04/20111731Dba Electric,Inc
An employee was installing an 800-ampere circuit breaker in an existing frame in energized switchgear. To mount the circuit breaker, he had to drill and tap a mounting hole. As he was drilling the hole, the drill bit became stuck. When the employee moved the drill from side to side to free the bit, it penetrated the insulation on a conductor, causing an electrical fault. The ensuing electric arc burned the employee. He was hospitalized with second-degree burns to his face.
Keywords: burn, electric arc, e gi iv, electrical, electrical work, lockout, circuit breaker, electrical fault, switchgear, electric drill
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Other building Other Under $50,000 2 23
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 315363085 Hospitalized injury Other Occupation not reported FallDist:
Cause: Installing equipment (HVAC and other)
FatCause: Other

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