Protected enclosure (or machine)

From International Dictionary of Marine Aids to Navigation
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6-8-235

An enclosure (or machine) designed to restrict or prevent the ingress of liquids or solid particles in harmful quantities, or solid extraneous objects of specified size.


Note 1: See also 6-4-140.


Note 2: The different categories of protection are specified for enclosures in IEC 529, and for machines in IEC 34-5.




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