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Electrician Dies in Ohio
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1986/09/17
[PDF-237.29 KB]
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Description:An electrician employed by an electrical contractor died of injuries from an electrical discharge or electrical explosion which occurred while he was trying to wire around a circuit breaker with blown fuses. Branch circuit conductors were to be installed to an existing 20 amp 277 volt (V) circuit breaker in a 480V/277V electrical panelbox. The electrician tried to pass a copper wire into the top of the panelbox; the fishtape used to guide the wire accidentally entered the rear of a meter base, damaging the meter base and creating a dead short. Three fuses in a current limiting circuit breaker in the adjacent electrical panel opened. The electrician connected jumper wire to each of these terminals in an attempt to bypass the circuit breaker. He connected the first jumper on Phase-A to one of the energized buss terminals on the 480V circuit breaker. Phase-A was energized from meter socket to fuse terminals, and due to the dead short in the meter socket, Phase-B was also energized back to the fuse terminal and jumper. The electrician touched the energized tip of Phase-B to the energized buss connection and the 480V breaker arced. The electrician received electrical burns on 95 percent of his body, and 15 other people were injured. Recommendations arising from this accident included: never bypassing electrical safety devices; deenergizing electrical systems prior to any work being performed on them; and proper training of employees in the use of electrical testing devices.
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Content Notes:Publication date provided by the authoring office. There is no publication date indicated on the resource.
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Pages in Document:3 pages
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NIOSHTIC Number:00170038
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NTIS Accession Number:PB87-222113
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Citation:Morgantown, WV: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, FACE 86-52, 1986 Sep; :1-6
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Federal Fiscal Year:1986
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Peer Reviewed:False
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Start Date:1986/08/21
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Resource Number:FACE-86-52
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