OSHA Accident Investigation · Summary #14423909

BURN,CLOTHING,ELECTRIC ARC,ELECTRICAL,ELECTRIC SWITCH,POWER LINE WORKER,E PTD,ELEC UTILITY WORK,ELECTRICAL FAULT,TRANSFORMER

1989-04-21T00:00:00

Event: BURN,CLOTHING,ELECTRIC ARC,ELECTRICAL,ELECTRIC SWITCH,POWER LINE WORKER,E PTD,ELEC UTILITY WORK,ELECTRICAL FAULT,TRANSFORMER
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14423909
Report ID: 729300

Event description

BURN - ELECTRICAL FAULT IN LOAD BREAK DISCONNECT

Investigation abstract

AN ELECTRIC UTILITY EMPLOYEE WAS PLACING A 4-KILOVOLT TRANSFORMER BACK INTO SERV ICE FOLLOWING A MAINTENANCE CHECK. AN ELECTRIC ARC FORMED AT THE LOAD BREAK DISC ONNECT, RELEASING A FIRE BALL THAT BLEW OUT THE VIEWING GLASS PANEL. THE EMPLOYE E, WHO WAS STANDING IN FRONT OF THE PANEL, RECEIVED THE FULL FORCE OF THE FIREBA LL. HE DIED AFTER RECEIVING BURNS OVER 90 PERCENT OF HIS BODY.

Victim

#1 Fatality Age 36 M

Nature of injury
5

Part of body
19

Event type
12

Source
16

Occupation code
577

Human factor
10

Environmental factor
10

Task assigned
1

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