[SML] LED room lighting

[Dan Sheehan]

like the 5.0 HP, 9.0 Amp, 120V vacuum cleaners ?

( 5 HP X 746W/hp = 3730W )

On Fri, Aug 9, 2019 at 4:07 PM Jerry Durand via Stagecraft <
stagecraft at theatrical.net> wrote:

> I understand everything is over rated and under performs, just trying to
> get an idea of what lighting fixtures are appropriate for each room type.
>
> On the power we all need to remember how the Chinese measure power for
> motors and such.  It's the max power drawn from the mains before smoke so
> the exercise machine I have is rated at 1.5 hp, but in USA measurement it's
> more like 1/4.  Same with lights and other things.
>
> On 8/9/19 12:58 PM, jdunfee12--- via Stagecraft wrote:
>
> I can say that all the low-priced DMX controlled LED disco-type lights on
> E-bay or Amazon  have gross exaggeration for their wattage.  Actual wattage
> is at best 60%.
>
> I don't know how close the "Equivalent wattage" for a LED is in comparison
> to an actual tungsten lamp now-a-days.  I know early in the history of
> household LED bulbs, sometimes the lumens of the tungsten lamps were under
> estimated so the LED equivalent wattage could be exaggerated. And off
> course, the longevity was idealized, and ignored the very real problem of
> heat build-up in many fixtures.  Many of the LED bulbs and the earlier
> generation of "green" fluorescent bulbs died quick deaths.  The "green"
> part was the money the manufacturers were raking in for the scams.  I think
> things are somewhat better in terms of bulbs, but the green-energy moment
> still seems to be focused on the color of the money.
>
>
>
> --
> Jerry Durand, Durand Interstellar, Inc.www.DurandInterstellar.com
> tel: +1 408 356-3886
> @DurandInterstel
>
>
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-- 
...Dan Sheehan
Fixer of things that break
TD Walpole (MA) Footlighters
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