OSHA Accident Investigation · Summary #823260
ENNIS ELECTRICO CO, INC.
BETHESDA, MD·
Event description
ELECTRIC SHOCK - CONTACT WITH LIVE CONDUCTOR THRU FISH TAPE
Investigation abstract
A supervisory electrician and his apprentice had just installed new conduit lead to check wiring for voltage to assure that circuits are deenergized. The supervi sor had apparently failed to follow this rule. ing to a carbon dioxide tank. The supervisor and a building engineer thought the y had deenergized the circuit by opening a circuit breaker. However, the labelin g was in pencil; and they had opened and tagged only one of the two circuit brea kers protecting the carbon dioxide unit. (A 15-ampere circuit breaker was opened , but a 50-ampere circuit breaker was never located.) The supervisor hooked a me tal fish tape that was in the conduit to 480-volt, three-phase No. 8 conductors that were still energized. When the fish tape contacted the conductors, the supe rvisor was electrocuted. His employer had instituted a rule requiring employees
Victim
-
#1 Fatality Age 30 M
- Nature of injury
- 10
- Part of body
- 12
- Event type
- 13
- Source
- 15
- Occupation code
- 555
- Human factor
- 4
- 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.