OSHA Accident Investigation · Summary #14452452
MORRISON KNUDSEN SERVICES INC
FALLON, NV·
Event description
ELECTRIC SHOCK - GROUND FAULT IN LIGHTING FIXTURE
Investigation abstract
TWO ELECTRICIANS WERE REPAIRING A LIGHTING FIXTURE THAT WAS LOCATED 40 FEET ABOV E THE FLOOR IN AN AIRPLANE HANGAR. THE EMPLOYEES HAD MADE SEVERAL ATTEMPTS TO RE PAIR THE FAULTY FIXTURE. THE EMPLOYEES REMOVED THREE OF FOUR BOLTS FROM THE CONT ROLLER/BALLAST ENCLOSURE FOR THE FIXTURE. UNKNOWN TO THE EMPLOYEES, THE FIXTURE HAD A SHORT TO THE LAMP REFLECTOR AND TO THE BOTTOM OF THE BALLAST ENCLOSURE. WH EN THE BOLTS WERE REMOVED FROM THE ENCLOSURE, THE GROUNDING CONNECTION FOR THE E NCLOSURE WAS BROKEN. ONE OF THE ELECTRICIANS PLUGGED THE LIGHTING FIXTURE IN. WH ILE HE WAS DOING THIS, HE EVIDENTLY TOUCHED THE RIM OF THE LAMP REFLECTOR WITH H IS STOMACH. HE WAS ELECTROCUTED BY THE GROUND FAULT.
Victim
-
#1 Fatality Age 36 M
- Nature of injury
- 10
- Part of body
- 31
- Event type
- 12
- Source
- 15
- Occupation code
- 575
- Human factor
- 1
- Environmental factor
- 18
- Hazardous substance
- 8870
- 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.