The 90 W-equivalent flood I got is rated at 1500 lumens and consumes 18W. If
all of that 18 W is dissipated as heat (unlike an incandescent, it isn't), the
can enclosure is being operated at 30% of its rated heat load. I can't help but
think that's relatively safe.
Kim N5OP
"People that make music together cannot be enemies, at least as long as the
music lasts." -- Paul Hindemith
> On Aug 11, 2014, at 11:39, Peter Laws <plaws0@gmail.com> wrote:
>
>> On Mon, Aug 11, 2014 at 10:25 AM, Kim Elmore <cw_de_n5op@sbcglobal.net>
>> wrote:
>> That's interesting as in their on-line FAQ, Cree says they approve of
>> installation in can fixtures. We've had 42 W CFLs in there for the last 8
>> years and never seen evidence of overheating. However, the light is cycled a
>> lot and I suspect the failures we've seen are related to that. Cree again
>> states that power cycling is harmless to their LED bulb. I guess I'll get to
>> find out!
>
> Lumens, gentlemen, please! IMHO, bulbs should also receive a rating
> based on how much heat they generate. Clearly, there is a difference
> in the heat output of an Edison bulb that consumes 60 W of power and a
> CFL that puts out the equivalent light (at considerably less power
> consumption).
>
> I've got a CFL in my bathroom can fixture (bathroom? can? hmm) and
> never had a problem. In fact, until just now, I've never given it a
> thought. As best I can remember, we installed it 8 years ago when we
> moved in and have never changed it.
>
> I neither know the lumens nor how much power it consumes let alone how
> many Joules of heat it generates.
>
> --
> Peter Laws | N5UWY | plaws plaws net | Travel by Train!
_______________________________________________
RFI mailing list
RFI@contesting.com
http://lists.contesting.com/mailman/listinfo/rfi
|