OSHA Accident Investigation · Summary #14300891
AMERICAN ELECTRIC CO LTD
WAIMANALO, HI·
Event description
BURN - ELECTRICAL FAULT IN CIRCUIT BREAKER
Investigation abstract
AN ELECTRICIAN WAS TROUBLESHOOTING A PROBLEM WITH AN ELECTRICAL SYSTEM. A MALFUN CTION HAD DEVELOPED IN THE ELECTRICAL SYSTEM, STOPPING THE PLANT FROM OPERATING. THE ELECTRICIAN INITIATED THE SYSTEM START UP SEQUENCE; AND, WHEN THE SECOND SC REEN WAS ENERGIZED, IT STARTED TO HUM. THE ELECTRICIAN OPENED THE CIRCUIT BREAKE R AND CHECKED THE MANUAL CONTACT SWITCH. HE THEN REASSEMBLED THE SWITCH AND RECL OSED THE BREAKER. WHEN THE ELECTRICIAN CLOSED THE MANUAL SWITCH, THE SUPPLY SIDE OF THE CIRCUIT BREAKER EXPLODED. THE ELECTRICIAN WAS BURNED ON HIS FACE, CHEST, AND HAND.
Victim
-
#1 Hospitalized Age 53 M
- Nature of injury
- 5
- Part of body
- 19
- Event type
- 14
- Source
- 15
- Occupation code
- 575
- Human factor
- 14
- 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.