In August 2004, Don Johnson, an electrician from Florida, was at work connecting a client’s backup generator for use during an impending hurricane when a failure of his rotation tester or a loose clip shorted out in a 4,000 amp/480-volt switchgear section he was working on, creating an arc flash event that destroyed much of the equipment and blew him against a wall nearly killing him. Johnson...
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Published on March 09, 2021 16:00