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GE LIGHTING - ENTERTAINMENT LIGHTING CATALOGUE
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Rated Average Life
Average life ratings of Projection Lamps are based on closely controlled laboratory tests of
lamps, at their rated voltage, over a long period of production time. Rated Average Life is not
necessarily the same as service life; mechanical shock and vibration, voltage fluctuation,
temperature and other environmental factors may result in shorter service life. As with any
average value, some individual lamps may operate longer, and some may operate shorter,
than their Rated Average Life. (Supply voltage variation can significantly affect lamp life; see
comments under Lamp Life Ratings, page 8).
‘T’ Class Lamps for Theatre Spotlight Fittings
With this group of lamps GE are continuing their policy of developing quartz halogen
lamps.These lamps operate at a lower colour temperature than the CP range. An average life
of a remarkable 750 hours is achieved for most of the GE range. Similar cost savings to those
offered by quartz halogen CP lamps are now presented by the quartz halogen ‘T’ range.
GE S&S 2000 9/03/00 9/3/00 1:31 pm Page 85