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Accident: 604488 - Burn - Electrical Fault In Panelboard

Accident: 604488 -- Report ID: 0418600 -- Event Date: 10/23/1990
InspectionOpen DateSICEstablishment Name
10700421010/23/19901542Tribble & Stephens
TWO EMPLOYEES WERE INSTALLING THREE CURRENT TRANSFORMERS IN AN ENERGIZED THREE-PHASE, 480-VOLT, 800-AMPERE PANELBOARD. EACH OF THE CURRENT TRANSFORMERS WAS TO BE INSTALLED AROUND AN UNINSULATED BUS BAR. BOTH EMPLOYEES WERE KNEELING ON RUBBER INSULATING BLANKETS AND WERE USING RUBBER INSULATING GLOVES. ONE OF THE EMPLOYEES WAS USING A SCREWDRIVER TO CONNECT THE TWO HALVES OF A CURRENT TRANSFORMER AROUND THE BUS BAR. AN ELECTRICAL FAULT OCCURRED, APPARENTLY WHEN THE SCREWDRIVER SHORTED A BUS BAR. BOTH EMPLOYEES RECEIVED SECOND AND THIRD DEGREE BURNS OVER 80 PERCENT OF THEIR BODIES AS A RESULT OF THE ELECTRIC ARC AND EXPLOSION. ONE OF THE EMPLOYEES DIED; THE OTHER WAS HOSPITALIZED FOR HIS INJURIES.
Keywords: burn, clothing, e gi ii, electric arc, electrical, insulated tool, electrician, panelboard, electrical work, electrical fault
Employee # Inspection Age Sex Degree Nature Occupation
1 107004210 Fatality Burn/Scald(Heat) Electricians
2 107004210 Hospitalized injury Burn/Scald(Heat) Electricians

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