OSHA Accident Investigation · Summary #14278162
SILVERSTONE ELECTRIC COMPANY
BRIDGEPORT, CT·
Event description
ELECTRIC SHOCK - GROUND FAULT IN ELECTRIC MOTOR
Investigation abstract
AN EMPLOYEE OF AN ELECTRICAL CONTRACTING COMPANY WAS WORKING IN THE CEILING PLEN SERIAL NUMBER 906389) HAD FAULTED TO THE MOTOR HOUSING, WHICH WAS SITTING ON TH E DUCT. UM OF AN OFFICE AT A COMMUNITY COLLEGE TO REPLACE DEFECTIVE WIRING TO A MOTOR. H E TEMPORARILY CONNECTED THE NEW CONDUCTORS IN A JUNCTION BOX BUT DID NOT CONNECT THE FLEXIBLE METAL CONDUIT SERVING AS THE EQUIPMENT GROUNDING CONDUCTOR FOR THE CIRCUIT. HE CLOSED A DISCONNECT SWITCH TO ENERGIZE THE MOTOR AND RECEIVED A FAT AL ELECTRIC SHOCK. FROZEN TO THE CIRCUIT, HIS BODY WAS RELEASED ONLY WHEN THE PO WER TO THE DISCONNECT SWITCH WAS SHUT OFF. THE NEXT DAY, AN ELECTRICIAN TESTED T HE DUCT ON WHICH THE MOTOR WAS SITTING AND FOUND IT TO BE ENERGIZED. ONE OF THE CIRCUIT CONDUCTORS OF THE MOTOR (PEERLESS, 1/6 HORSEPOWER, 1150 RPM, MODEL P-12,
Victim
-
#1 Fatality Age 30 M
- Nature of injury
- 10
- Part of body
- 19
- Event type
- 13
- Source
- 15
- Occupation code
- 575
- Human factor
- 9
- Environmental factor
- 13
- Task assigned
- 1
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