OSHA Accident Investigation · Summary #968321
METAL WIRE,ELECTRICAL,BUSBAR,ELECTRIC SHOCK,E GI V,UNGUARDED LIVE PARTS
Event description
ELECTRIC SHOCK - CONTACT WITH LIVE PARTS THRU WIRE
Investigation abstract
AN EMPLOYEE WAS LEAVING HIS ASSIGNED WORK AREA. HIS PATH OF TRAVEL TOOK HIM PAST A 600-AMPERE, 480-VOLT (PHASE-TO-PHASE), FREESTANDING ELECTRICAL SWITCHBOARD. T HE SWITCHBOARD DID NOT HAVE A COVER AND WAS NOT DEAD-FRONT. DIRECTLY IN FRONT OF THE SWITCHBOARD, 11 INCHES AWAY, WAS A WOODEN BOX THAT HAD BEEN PLACED OVER A D -C POWER CONVERTER. THE EMPLOYEE WAS CARRYING A 4-FOOT WOOD LADDER, WHICH HAD A LENGTH OF STEEL TIE WIRE WRAPPED AROUND ITS SIDE RAIL. WHEN THE EMPLOYEE SQUEEZE D BETWEEN THE SWITCHBOARD AND THE BOX, THE TIE WIRE CONTACTED THE 480-VOLT BUS B ARS (277 VOLTS TO GROUND). THE EMPLOYEE RECEIVED AN ELECTRIC SHOCK THROUGH HIS L EFT ARM. HE WAS HOSPITALIZED FOR HIS INJURY AND WAS RELEASED AFTER 24 HOURS.
Victims (3)
-
#1 Hospitalized Age 48 M
- Nature of injury
- 10
- Part of body
- 2
- Event type
- 13
- Source
- 15
- Occupation code
- 573
- Human factor
- 1
- Environmental factor
- 13
- Task assigned
- 1
-
#981 Degree 0 Age 0
- Nature of injury
- 0
- Part of body
- 0
- Event type
- 0
- Source
- 0
- Occupation code
- 0
- Human factor
- 0
- Environmental factor
- 0
- Task assigned
- 0
-
#982 Degree 0 Age 0
- Nature of injury
- 0
- Part of body
- 0
- Event type
- 0
- Source
- 0
- Occupation code
- 0
- Human factor
- 0
- Environmental factor
- 0
- Task assigned
- 0
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.