A shipyard electrical worker was about to begin work in an energized panel. He looked at the drawings and then locked out the circuit. Without testing to make sure that the panel was de-energized, he reached into the panel to begin work. The worker made contact with an energized circuit and was electrocuted.
Despite system modifications, which made the worker’s set of drawings inaccurate, this incident could have been prevented by voltage testing the electrical panel before starting work. Taking the time to perform a simple voltage test can ensure that electrical workers safely complete their shift. When working on an electrical circuit it is important to isolate not only the circuit being worked on, but all other circuits where the possibility of contact with energized parts exists. This is because many feeds may supply power to a particular circuit. The use of lockout/tags-plus applications is essential to ensuring the safety of workers.
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