OSHA Accident Investigation · Summary #762609
WAYNE'S PLUMBING & ELECTRICAL SERVICES COMPANY
SHELBYVILLE, TN·
Event description
ELECTRIC SHOCK - GROUND FAULT IN ELECTRICAL SERVICE
Investigation abstract
AN EMPLOYEE WAS MAKING FINAL ADJUSTMENTS TO A RESIDENTIAL WIRING SYSTEM. TWO SEC . TIONS OF 12/2 AWG NON-METALLIC-SHEATHED CABLE (ROMEX) WERE USED TO SUPPLY POWER FROM THE TEMPORARY ELECTRICAL SERVICE TO THE METER BASE FOR THE RESIDENCE. THIS ALLOWED THE WIRING INSIDE THE HOUSE TO BE INSPECTED AND EQUIPMENT TO BE CHECKED TO ENSURE THAT IT WORKED PROPERLY. THE EMPLOYEE WAS UNDER THE HOUSE CONNECTING T HE GROUNDING ELECTRODE CONDUCTOR TO THE COLD WATER PIPE SERVING AS THE GROUNDING ELECTRODE. THE POLARITY OF THE TEMPORARY SERVICE WAS REVERSED, AND THE GROUNDIN G ELECTRODE CONDUCTOR WAS ACTUALLY CONNECTED TO AN UNGROUNDED CIRCUIT CONDUCTOR. THE EMPLOYEE WAS ELECTROCUTED AS HE WAS MAKING THE CONNECTION TO THE WATER PIPE
Victim
-
#1 Fatality Age 19 M
- Nature of injury
- 10
- Part of body
- 31
- Event type
- 13
- Source
- 43
- Occupation code
- 999
- Human factor
- 9
- 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.