International Electrotechnical Commission

EN life (of a lamp)  
the total time for which a lamp has been operated before it becomes useless, or is considered to be so according to specified criteria

Lamp life is usually expressed in hours

[SOURCE: IEC60050-845:1987, 845-07-61]

TC/SC:82Terms     Info     Publications
Published in:IEC 62257-1, ed. 3.0 (2015-10) Terms     Info
Reference number:A.63

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