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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14294888 - Burn - Electrical Fault In Motor Control Center

Accident: 14294888 -- Report ID: 0355114 -- Event Date: 04/10/1991
InspectionOpen DateSICEstablishment Name
10575688604/10/19911731C & L Contractors, Ltd
InspectionOpen DateSICEstablishment Name
10575687804/10/19915171Exxon Company
Two electricians were replacing a circuit breaker in a motor control center. They removed the unit and replaced the circuit breaker. They then put the unit back in the motor control center. The load side of the circuit breaker was not energized, but the line side was. One of the electricians began connecting the load side lugs to the circuit breaker. The second electrician was watching. A third electrician entered the area and watched as the first electrician (employee #1) tightened the load side lugs. When he tightened the lugs, he caused an electrical fault. The resulting electric arc burned all three employees. The two electricians who were replacing the circuit breaker were hospitalized for their injuries.
Keywords: electric arc, electrical, electrical fault, burn, e gi ii, electrician, electrical work, lockout, circuit breaker
Employee # Inspection Age Sex Degree Nature Occupation
1 105756886 Hospitalized injury Burn/Scald(Heat) Electricians
2 105756886 Hospitalized injury Burn/Scald(Heat) Electricians
3 105756886 Non Hospitalized injury Burn/Scald(Heat) Electricians
4 105756878 Occupation Not Listed

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