- How long do LED shop/ceiling lights really last at full output anyway? - 1 Update
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| Algeria Horan <algeriahoran@algeria.horan.net>: Oct 31 04:08PM How long do LED shop/ceiling lights really last at full output anyway? In another thread, the topic came up that LED lights may not last as long nor as bright as claimed on the package: Lights of America exaggerated LED light bulb performance http://archive.jsonline.com/blogs/news/246355581.html http://green.blogs.nytimes.com/2010/09/08/federal-agency-sues-led-bulb-maker/ Since the failure mechanism is electronic as much as it's the fact that LEDs diminish in light output over time, I wondered how long the LED lights (the entire unit, including electronics) really last, and, what "rules" were in place for the claims on the package (since I never get the life that the fluorescent or incandescent bulbs claim either). As just one (admittedly egregious) example, the bulbs referenced above: CLAIM: Replaces light output from a 40 Watt bulb (aka 400 lumens) TESTS: The F.T.C. found the bulbs produced only 74 lumens of light CLAIM: The LED bulbs in question would last 30,000 hours TESTS: They lost 80 percent of their light output after only 1,000 hours That didn't even cover sudden failure from the electronics. So, I wonder aloud ... How long do LED shop/ceiling lights really last at full output anyway? |
| testbanksbiz@gmail.com: Oct 30 08:18PM -0700 $25 only! DOWNLOAD Test Banks and solution manuals for cheap ! Fast delivery! Contact: estudyguides[at]gmail.com Replace at with @. visit https://studentplusa.blogspot.com/ |
| Jon Elson <elson@pico-systems.com>: Oct 30 02:27PM -0500 Bruce Esquibel wrote: > Looking up a 1964 Buick Wildcat, 425cu 8cyl (at random), they have > closeout sets from $6.74 to high performance ones with ceramic boots, > $73.89. WOW, this looks WAY better than any car parts I've bought in the last couple decades! Maybe they have a bunch of stock left over from 1950 that they are still selling a couple of per year. Ignition coils run $50, spark plugs are about $10 each, etc. Haven't had any rotors, points or distributor caps in some time. I'd be real cautious driving anything made before 1960 or so, if you hit anything the steering shaft goes through your chest. Jon |
| Bob Engelhardt <BobEngelhardt@comcast.net>: Oct 30 10:58PM -0400 On 10/30/2016 3:27 PM, Jon Elson wrote: ... > I'd be real cautious driving anything made before 1960 or so, if you hit > anything the steering shaft goes through your chest. That's the 1948 version of a safety feature - it keeps you from driving recklessly <G>. |
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