CFL's putting out too much UV radiation?

Our local (I think) news service has done a story about CFL's emitting too much UV radiation, You can view it here.

Would you rather sit under an incandescent light or a CFL for a extended period of time?
Do you think they should have warning labels on them?
Do you have any other opinions on CFL's and energy saving globes?
Or do you think this is all just a way to get more people to but the old incandescent bulbs?

Picture of CFL's putting out too much UV radiation?
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triumphman4 years ago
That's nothing, have you heard about the (AMR) Automated Meter Reading meters that are making people sick, bees die, bats drop dead, and more ? Check out the You Tube testimonies by professionals and homeowners. across the USA, Australia and New Zeeland ! Then go see what kind of meter is on your home! Digital AMR Meters are bad. Analog (dial hands type ) are good! FYI
More about CFL and LED problems..

CFL Safety

Home Safety -- Radiation -- Health

The CFL Mercury Issue

Breakage -- Recycling -- Dumping -- Mining -- Manufacturing --
Transport -- Power Plants


The Lead and Arsenic Issue
Lead, arsenic and other toxic content, home breakage and disposal concerns

The Overall Small Energy Savings from light bulb regulations:

USA Dept of Energy data, less than 1% of society energy usage saved

westfw8 years ago
CFLs are fundamentally the same technology as the long fluorescent tubes that have been in use (especially institutionally: workplaces and schools and such) for a very long time.

I sorta like the news I heard recently suggesting that vitamin D intake recommendations be dramatically increased, because in between sunscreens and lack of outdoor activities, people were NOT GETTING ENOUGH uv exposure. Health is a complicated thing.

My house is almost entirely CFL/Fluorescent and has been for some years now, BTW. MY big worry is eyestrain related; CFLs just aren't bright enough - there is no really adequate replacement for the 200W reading light I built in 4H, nor the 300W halogen lights that I used to use for area lighting (we HAVE the CFL/Fluorescent replacements, and one remaining halogen. Every time I turn on the Halogen I cringe a bit at how dim the CFLs are...)

It would be nice if the electronics didn't blow out as often as they do. As an EE, it's just embarrassing.

There was one rather amusing bit in the article:
  • "You would have to ... sit under a light bulb for an hour to develop any kind of adverse affect"
Well, duh. That's what people DO, isn't it? Multiple hours per day, every day...

there are dequate replacememnts in brightness sodium and metal halide lamnps (both with efficiency higher than cfls) problems are they flicker at 100 / 120 hz. now THAT may be a serious health issue if you switched them off you have to wait to cool down (few minutes for halide and less than minute for sodium) they need a big ballast we used a 70 W sodium (installed in an old fixture of halogen floodlight) to light a badboard behind the arts workshop at school. that was a really strong light. way stronger than the light from fluorescents coming thru the workshop windows or the 4 old incandescents outside
In addition to flicker issues (which you get with tube-style fluorescents as well, most of the time), the assorted gas discharge lamps tend to have awful output spectra and inconvenient temperatures/etc. OK for street lighting, but probably not useful for interior lighting at all... The other problem is that once you get out of the range of "subsidized" CFL bulbs, things get pretty expensive pretty quickly. Your 100W-equiv (almost) internal ballast lights are pretty cheap, but the 200W external-ballast odd-shaped lamps (and the ballasts that drive them) rapidly get expensive. OTOH, I suspect that you can improve the reliability of CFL electronics just by physically separating the things that get hot from the things that are especially sensitive to heat, and that shouldn't be THAT tough... IKEA has some of the nicest designed-for-cfl lamps that I've seen, BTW.
thermoelectric (author)  westfw8 years ago
Oh.... But I doubt there are many people that get out of the range of subsidized lamps, We have 60 and 40 watt equiv. and we are alright with the brightness....
thermoelectric (author)  westfw8 years ago
It says that you would need a skin condition AND sit under the lights for an hour to get any adverse effects....

"You would have to suffer from a skin condition such as Lupus and sit under a light bulb for an hour to develop any kind of adverse affect,"
That's ok then, since people with such skin conditions sit in the dark, eh?
thermoelectric (author)  westfw8 years ago
Yeah, Probably....
thermoelectric (author)  westfw8 years ago
Since your an EE, why don't you try to make their circuits blow out less (and put in something to heat the filaments just to extend the life of the tube :-) )? They are a bit dim, But some are just warming up..
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