OSHA Accident Investigation · Summary #966549
CON DEL CORPORATION
CATHEDRAL CITY, CA·
Event description
ELECTRIC SHOCK - GROUND FAULT IN SCREW GUN
Investigation abstract
An employee had been working as a steel stud framer for 6 weeks. He had had seve s cut 6.1 meters from the handle. The cut had exposed the two circuit conductors . Either the bare conductors contacted the metal frame, or a ground fault energi zed the frame of the screw gun. The employee was electrocuted when he contacted the metal frame. ral years of experience as a construction carpenter. He was using a Black and De cker 120-volt screw gun (Model No. 2060-09, Type 3) to fasten steel building ent ry studs together. The power supply cord on the screw gun had been replaced with a 15.2-meter-long, Type SJTW cord and a 15-ampere twist-lock attachment plug. T he grounding blade on the attachment plug had been filed off. The employee was u sing a 20-ampere receptacle on an Abco Hardware spider box to supply electric po wer to the screw gun. The receptacle outlet was not protected by a ground-fault circuit interrupter. The insulation on the power supply cord on the screw gun wa
Victim
-
#1 Fatality Age 25 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 567
- Human factor
- 6
- Environmental factor
- 8
- Hazardous substance
- 8870
- 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.