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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 201521945 - Burn - Electrical Fault In Circuit Breaker

Accident: 201521945 -- Report ID: 0111500 -- Event Date: 02/22/2004
InspectionOpen DateSICEstablishment Name
30705221702/22/20041731Mj Enterprises Electrical Contractors Of Ct, Llc
An electrician was replacing a 480-volt, 100-ampere circuit breaker in an electrical cabinet for a elevator. The buses in the cabinet were energized. He was using a 1/4-in. driver and a flathead screwdriver to install the mounting screws on the left side of the circuit breaker. After placing the circuit breaker into position, he put a screw in the driver and inserted it into the opening in the bottom of the circuit breaker to secure it to the cabinet. He then used the screwdriver in the opening for one of the phases to get the screw started. As the electrician was pushing the screwdriver through the plastic phase guard, it contacted the adjacent phase busbar, causing a phase-to-phase electrical fault. The ensuing electric arc burned the employee on his hands and arms. He was hospitalized for his injuries.
Keywords: burn, electric arc, e gi iv, electrical, electrician, electrical work, lockout, circuit breaker, electrical fault, hand tool
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Commercial building Maintenance or repair Under $50,000 3
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 307052217 Hospitalized injury Burn/Scald(Heat) Electricians FallDist:
Cause: Installing equipment (HVAC and other)
FatCause: Fire/explosion

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