Under the right conditions, electrical energy can jump across an ionised air gap between two conductors, resulting in the explosive release of plasma fireball that can reach temperatures of 19,000℃. Even if the crew member is metres away from the source of the flash it can result in life changing or fatal injuries. Arc flash incidents can be devastating anywhere, but the marine environment presents particular safety challenges. Personnel may have to work in close proximity to energised equipment, for example, escaping from a confined space can be difficult and vessels operate in remote locations a long way from suitable medical support.
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