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Martin Brown[_2_] Martin Brown[_2_] is offline
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Default Bulb ratings and fittings

On 20/12/2017 17:03, Brian Gaff wrote:
I'd not think such a low wattage cfl should get in any way warm at all. I
have one in a light here and I cannot tell its on after half an hour to the
touch, though the thing did look a little odd I'm told.


CFLs are not all that efficient and a 23W one is really pushing it for
efficiency and dissipation needed to stay cool enough to survive. In
anything other than free air with plenty of convection it will fail.

I wonder why its heating up unless its a cheap under rated chinese copy
that will fall to bits when the heat glue melts liike one I had from B/Q!
Brian


It is heating up because of losses in the power supply. Unlike filament
bulbs a CFL or LED has a rather low maximum operating temperature.

--
Regards,
Martin Brown