OSHA Accident Investigation · Summary #633578
T.H. GREEN ELECTRIC CO., INC.
MARCY, NY·
Event description
BURN - ELECTRIC ARC FROM DISCONNECTING AN ENERGIZED TAP
Investigation abstract
AN EMPLOYEE AND HIS SUPERVISOR WERE ASSIGNED TO WORK IN A MANHOLE TO CHANGE A 3- RMINE WHETHER THE LINE ON WHICH THEY WERE WORKING WAS ACTUALLY DEENERGIZED. POINT TAP TO A 4-POINT TAP. THE EMPLOYEE AND HIS SUPERVISOR DEENERGIZED AND LOCK ED OUT THE "A" FEEDER AT THE MAIN SWITCHGEAR; THEN THEY PROCEEDED TO THE MANHOLE TO PERFORM THEIR ASSIGNED TASK. THE EMPLOYEE DISCONNECTED ONE ELBOW FROM THE TA P MARKED AS LINE "A". A HUGE ELECTRIC ARC OCCURRED, SEVERELY BURNING THE EMPLOYE E ON HIS HANDS AND ARMS AND BURNING HIS SUPERVISOR ON THE FOREARM. THE EMPLOYEE WAS HOSPITALIZED FOR HIS INJURIES. THE "A" AND "B" LINES IN THE MANHOLE WERE MIS LABELED. THE SUPERVISOR WAS AWARE OF THE MISLABELING BEFORE WORK WAS STARTED; AP PARENTLY, HE FORGOT AT THE TIME OF THE ACCIDENT. NO TESTS WERE PERFORMED TO DETE
Victims (2)
-
#1 Hospitalized Age 27 M
- Nature of injury
- 5
- Part of body
- 12
- Event type
- 14
- Source
- 15
- Occupation code
- 999
- Human factor
- 4
- Environmental factor
- 11
- Task assigned
- 2
-
#2 Non-hospitalized injury Age 44 M
- Nature of injury
- 5
- Part of body
- 17
- Event type
- 14
- Source
- 15
- Occupation code
- 577
- Human factor
- 4
- Environmental factor
- 11
- 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.