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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 966978 - Electric Shock - Ground Fault In Electric Sign

Accident: 966978 -- Report ID: 0931700 -- Event Date: 02/22/1989
InspectionOpen DateSICEstablishment Name
10626276902/23/19891731Advance Signs & Designs Inc.
A sign fabricator was working from an aerial lift, servicing a fluorescent restaurant sign. The employee used an extension cord set to connect a generator to a junction box at the bottom of the sign. The secondary of the ballast transformer for the sign had developed a ground fault, which energized the metal frame of the sign at 417 to 420 volts. The wiring to the sign from the junction box did not provide an equipment grounding conductor. The employee was electrocuted when he touched the sign frame and the boom control handle at the same time.
Keywords: electrical, electric sign, e gi vii, electrocuted, ground fault, equipment grounding, advertising sign, electric generator
Employee # Inspection Age Sex Degree Nature Occupation
1 106262769 Fatality Electric Shock Not specified mechanics and repairers

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