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Dave Plowman (News) Dave Plowman (News) is offline
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Default Using mobile phone as an internet radio

In article
,
hr(bob) wrote:

He is right, the stresses involved in the turn-on of the bulb each
time is equal to several hours of continuous running. If you cycle a
bulb on and off every few seconds, the total on time before the bulb
fails will be only a few hundered hours for a 1000 hour rated bulb,


It would be a strange way to rate the life of a lamp - on constantly,
since this pretty well never happens.

Do you find the 'flasher' lamps on your car failing more quickly than
similar lamps which don't flash?

--
*A plateau is a high form of flattery*

Dave Plowman
London SW
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