OSHA Accident Investigation · Summary #734962
ELECTRICAL,E GI VI,ELECTROCUTED,GROUND FAULT,INDUSTRIAL TRUCK,ELECTRIC CORD,ELEC EQUIPMENT--MISC
Event description
ELECTRIC SHOCK - GROUND FAULT IN ELECTRIC EQUIPMENT
Investigation abstract
AN INDUSTRIAL TRUCK (PORTER, INC., SERIAL NUMBER 695-785) POWERED BY A 25-HORSEP OWER MOTOR HAD BEEN MODIFIED TO OPERATE AS A FURNACE STOKER. THE FURNACE STOKER OPERATED AT 480 VOLTS. AN EMPLOYEE (AN ELECTRIC EQUIPMENT REPAIRER) HAD WIRED TH E POWER SUPPLY CORD TO THE FURNACE STOKER SO THAT THE GROUNDING CONDUCTOR WAS CO NNECTED TO ONE OF THE PHASE CONDUCTORS. THE WIRING ERROR HAD CAUSED FUSES TO OPE N AT LEAST TWICE BEFORE. HOWEVER, THIS TIME, UPON REENERGIZING THE CIRCUIT, THE GROUNDING CONDUCTOR SEPARATED AT A REMOTE PANELBOARD, LEAVING THE FRAME OF THE F URNACE STOKER ENERGIZED. THE ELECTRIC EQUIPMENT REPAIRER WAS ELECTROCUTED WHEN H E TOUCHED THE FURNACE STOKER.
Victim
-
#1 Fatality Age 28 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 533
- Human factor
- 1
- 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.