OSHA Accident Investigation · Summary #14495600
ELECTRICAL,ELECTROCUTED,PANELBOARD,ELECTRICAL WORK,E C,GROUND FAULT,EQUIPMENT GROUNDING,UNTRAINED,WATER
Event description
ELECTRIC SHOCK - GROUND FAULT IN PANELBOARD
Investigation abstract
A CREW OF EMPLOYEES WAS ERECTING A WATER TOWER. THEY WERE USING A 480-VOLT, 3-PH ASE, 210-KILOWATT CATERPILLAR GENERATOR (MODEL NUMBER SR-4) TO SUPPLY POWER TO A JOY AIR COMPRESSOR. THE COMPRESSOR WAS CONNECTED TO A PANELBOARD BY A LABORER A S DIRECTED BY THE FOREMAN. THE LABORER WIRED THE PANELBOARD INCORRECTLY, AND THE WIRING FAULT ENERGIZED THE FRAME OF THE AIR COMPRESSOR. HEAVY RAINS EARLIER IN THE DAY HAD LEFT WATER STANDING UP TO 2 INCHES DEEP AROUND THE COMPRESSOR. THE F OREMAN WALKED BY THE COMPRESSOR TO RETRIEVE SOME EQUIPMENT. WHEN HE STEPPED IN T HE WATER, HE WAS ELECTROCUTED.
Victim
-
#1 Fatality Age 32 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 26
- Occupation code
- 558
- Human factor
- 12
- Environmental factor
- 17
- Task assigned
- 1
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