OSHA Accident Investigation · Summary #828806
UNIVERSITY OF NORTHERN IOWA
CEDAR FALLS, IA·
Event description
BURN - ELECTRICAL FAULT IN SWITCH
Investigation abstract
A temporary electrical power source had to be set up at a campus so that the pre s hospitalized for his injuries. His coworker was also burned as he was assistin g his injured partner. sent power source could be worked on without interrupting service. Two maintenan ce electricians were checking the phase relations of conductors before closing a switch for the 12.5-kilovolt temporary electrical service. The employees remove d the conductors from the switch terminals and then energized the switch termina ls. When one of the electricians inserted the probe of an EIL Model No. PV-1 pha sing voltmeter into an RTE 15- to 25-kilovolt class BOL-T modular connector, he created an electrical fault between the conductor and the semi-conductive outsid e covering of the connector. The ensuing electric arc burned the employee. He wa
Victims (2)
-
#1 Hospitalized Age 63 M
- Nature of injury
- 5
- Part of body
- 19
- Event type
- 14
- Source
- 15
- Occupation code
- 575
- Human factor
- 20
- Environmental factor
- 18
- Task assigned
- 1
-
#2 Non-hospitalized injury Age 51 M
- Nature of injury
- 5
- Part of body
- 19
- Event type
- 14
- Source
- 15
- Occupation code
- 575
- Human factor
- 20
- 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.