OSHA Accident Investigation · Summary #14424360

ELEC INSULATION,ELECTRICAL,E GI VII,ELECTROCUTED,ELECTRICAL WORK,GROUND FAULT,ELECTRIC CONDUCTOR

1986-08-11T00:00:00

Event: ELEC INSULATION,ELECTRICAL,E GI VII,ELECTROCUTED,ELECTRICAL WORK,GROUND FAULT,ELECTRIC CONDUCTOR
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14424360
Report ID: 729300

Event description

ELECTRIC SHOCK - GROUND FAULT IN FLEXIBLE CONDUIT

Investigation abstract

AN EMPLOYEE HAD INSTALLED A NEW PUMP MOTOR ON A HOLDING TANK FOR A COMMERCIAL HO T WATER TANK. THE WIRING FOR THE PUMP HAD NOT YET BEEN CONNECTED TO ITS 120-VOLT SUPPLY. THE FLOOR WHERE THE EMPLOYEE WAS WORKING WAS WET FROM THE CHANGE OF PUM PS IN THE CLOSE QUARTERS BETWEEN THE TANKS. THE SUPPLY CIRCUIT FOR THE PUMP WAS STILL ENERGIZED TO ENABLE THE CONTROLS TO BE CHECKED BEFORE THE MOTOR WAS CONNEC TED. ONE OF THE ENERGIZED CONDUCTORS, WHICH WAS CONTAINED WITHIN A FLEXIBLE COND UIT, HAD ITS INSULATION SKINNED. THE EXPOSED PORTION OF THE CONDUCTOR WAS CONTAC TING THE CONDUIT WALL, CAUSING A GROUND FAULT. WHEN THE EMPLOYEE CONTACTED THE C ONDUIT, HE WAS ELECTROCUTED.

Victim

#1 Fatality Age 46 M

Nature of injury
10

Part of body
12

Event type
13

Source
15

Occupation code
999

Human factor
1

Environmental factor
13

Task assigned
1

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