Rated Life (of a lamp)

From International Dictionary of Marine Aids to Navigation
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Alternative term: Expected Life (of a lamp)

A predicted value for the life of a given type of lamp, obtained by statistical methods based on the life tests.

Note: The term Average Life is sometimes loosely used for "rated life".

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