OSHA Accident Investigation · Summary #14387070
COMMONWEALTH EDISON
CHICAGO, IL—
Event description
ELECTRICAL BURNS - FAULT DUE TO USE OF UNDERRATED EQUIPMENT
Investigation abstract
A CREW LEADER WAS PERFORMING A VOLTAGE TEST AT AN ABOVE-GROUND SWITCHGEAR CABINE T. HE CHOOSE A "WIGGY" VOLTAGE TESTER, WITH A RATED 600-VOLT CAPACITY, AND PLACE D THE INSTRUMENT ACROSS CIRCUIT PARTS OPERATING AT 72 KILOVOLTS. THIS CAUSED A F LASH EXPLOSION. THE CREW LEADER AND THREE OTHER EMPLOYEES, WHO OBSERVED THE PROC EDURE, WERE HOSPITALIZED WITH FACIAL, CHEST, AND HEAD BURNS.
Victims (4)
-
#1 Hospitalized Age 43 M
- Nature of injury
- 5
- Part of body
- 9
- Event type
- 14
- Source
- 15
- Occupation code
- 577
- Human factor
- 5
- Environmental factor
- 18
- Task assigned
- 1
-
#2 Hospitalized Age 25 M
- Nature of injury
- 5
- Part of body
- 9
- Event type
- 14
- Source
- 15
- Occupation code
- 577
- Human factor
- 5
- Environmental factor
- 18
- Task assigned
- 1
-
#3 Hospitalized Age 28 M
- Nature of injury
- 5
- Part of body
- 9
- Event type
- 14
- Source
- 15
- Occupation code
- 577
- Human factor
- 5
- Environmental factor
- 18
- Task assigned
- 1
-
#4 Hospitalized Age 40 M
- Nature of injury
- 5
- Part of body
- 9
- Event type
- 14
- Source
- 15
- Occupation code
- 577
- Human factor
- 5
- Environmental factor
- 18
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.