Earthing switch

From International Dictionary of Marine Aids to Navigation
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6-6-250

A mechanical switching device for earthing parts of a circuit, capable of withstanding for a specified time currents under abnormal conditions such as short-circuit, but not required to carry currents under normal circuit conditions.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM