OSHA Accident Investigation · Summary #14194328
VOLTAGE BACKFEED,ELECTRICAL,E PTD,ELEC UTILITY WORK,ELECTRIC SHOCK,UNDRGRD POWER LINE
Event description
ELECTRIC SHOCK - CONTACT WITH UNDERGROUND LINE
Investigation abstract
AN EMPLOYEE WAS TO SPLICE A 13-KILOVOLT UNDERGROUND POWER CABLE IN A PIT THAT WA EMPLOYEE WAS WORKING. WHEN THE EMPLOYEE CONTACTED THE CABLE, HE RECEIVED AN ELEC TRIC SHOCK FOR WHICH HE WAS HOSPITALIZED. HE HAD NOT TESTED THE CABLE BEFORE HE STARTED WORK. S 3 FEET DEEP, 54 INCHES WIDE, AND 5 FEET LONG. THE CABLE WAS PRESUMED TO BE DEE NERGIZED AS IT HAD NOT BEEN CONNECTED TO ITS POWER SOURCE. HOWEVER, THE OTHER EN D OF THE CABLE WAS CONNECTED TO A TRANSFORMER AT THE REAR OF A FAST-FOOD RESTAUR ANT THAT WAS UNDER CONSTRUCTION ABOUT 60 FEET FROM THE PIT. THE SECONDARY OF THE TRANSFORMER WAS CONNECTED TO A PANELBOARD AT THE RESTAURANT. AN ELECTRICIAN INS TALLING THE ELECTRICAL SERVICE IN THE RESTAURANT HAD CONNECTED A FLEXIBLE CORD F ROM THE 240-VOLT TEMPORARY SERVICE AT THE SITE TO THE PANELBOARD. CURRENT FROM T HE TEMPORARY SERVICE BACKFED THE TRANSFORMER, ENERGIZING THE CABLE ON WHICH THE
Victim
-
#1 Hospitalized Age 39 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 577
- Human factor
- 18
- Environmental factor
- 8
- 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.