OSHA Accident Investigation · Summary #14565444
ELECTRICAL,ATTACHMENT PLUG,E C,GROUND FAULT,EQUIPMENT GROUNDING,TEMPORARY WIRING,CORD SET,ELECTROCUTED
Event description
ELECTRIC SHOCK - GROUND FAULT IN UNGROUNDED EQUIPMENT
Investigation abstract
AN EMPLOYEE WAS INSTALLING KITCHEN CABINETS IN A HOUSE THAT WAS UNDER CONSTRUCTI S SITTING ON THE FLOOR, UNDERNEATH THE KITCHEN SINK, LEANING AGAINST A COPPER WA TER PIPE. WHILE HE WAS HOLDING THE ELECTRIC SCREW DRIVER IN THIS POSITION, A GRO UND FAULT OCCURRED WITHIN THE DRILL MOTOR ENERGIZING THE METAL CASE. THE EMPLOYE E WAS ELECTROCUTED. ON. ABOUT 200 FEET OF NONMETALLIC SHEATHED CABLE WAS WIRED TO A CIRCUIT BREAKER PANELBOARD FOR A HOUSE ACROSS THE STREET. THE CABLE RAN TO THE BACK YARD OF THE HOUSE UNDER CONSTRUCTION, WHERE A 100-FOOT, 3-CONDUCTOR EXTENSION CORD SET WAS P LUGGED INTO AN OUTLET BOX INSTALLED ON THE CABLE. THE ATTACHMENT PLUG ON THE EXT ENSION CORD HAD BEEN REPLACED WITH A TWO-PRONG, NON-GROUNDING-TYPE PLUG. A 3/8-I NCH DRILL ADAPTED FOR USE AS AN ELECTRIC SCREW DRIVER HAD A 3-CONDUCTOR POWER CO RD WITH THE GROUNDING PRONG MISSING FROM ITS ATTACHMENT PLUG. THE ELECTRIC SCREW DRIVER WAS PLUGGED INTO THE EXTENSION CORD. TO PERFORM HIS JOB, THE EMPLOYEE WA
Victims (2)
-
#1 Fatality Age 41 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 657
- Human factor
- 9
- Environmental factor
- 18
- 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
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.