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(ecmweb.com) A brief explosion created by an arc flash from a 600V electrical panel that injured three power plant workers has been ruled accidental. The Massachusetts state fire marshal's office conducted the investigation and made the conclusion.
The accident happened at Ware River Power in Ware, Mass., on April 17 of this year. The three employees were alone in the plant when the panel arced. Two workers were seriously injured, and a third worker, although hospitalized, returned to the scene to assist investigators.
The incident report says the worker who was the most seriously burned from the heat of the arc flash pulled a lever on the 600V box to disconnect power while the other two injured workers were behind him.
Read full article: http://ecmweb.com/arc-flash/investig...lash-completed
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