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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 170193353 - Burn - Failure Of Underrated Test Equipment

Accident: 170193353 -- Report ID: 0950633 -- Event Date: 08/07/1991
InspectionOpen DateSICEstablishment Name
11206715208/09/19918221Loma Linda University
A power plant operator was working in a high voltage switchgear room. The employee had been assigned the task of installing earthquake clips inside the metal-clad, 4160-volt switchgear. The employee opened the rear of the bus section, exposing the bus and current transformers. The employee believed the current transformers to be step-down transformers. He obtained a tester rated at 600 volts and applied it to the current transformer terminals. The tester failed, and the ensuing electric arc burned the employee, who became engulfed in flames. The employee was severely burned on his arms, torso, and face and was hospitalized for his injuries.
Keywords: burn, clothing, electric arc, electrical, lockout, test equipment, e ptd, elec utility work, electrical fault, switchgear
Employee # Inspection Age Sex Degree Nature Occupation
1 112067152 Hospitalized injury Burn/Scald(Heat) Power plant operators

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