Most of this discussion has been very illuminating, it takes a lot of
gallium to make jokes here!
regards,
- Graham
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Brian Ellis
Sent: Wednesday, August 29, 2012 6:55 AM
To: [log in to unmask]
Subject: Re: [TN] what is the reliability of CFLs and LEDs as
incandescent light bulb replacements?
The lux-ury of lamp-ooning us, I'm LED to believe.
Brian
On 29/08/2012 16:51, Whittaker, Dewey (EHCOE) wrote:
> This light bantering is becoming a fixture on Technet.
> Dewey
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
> Sent: Wednesday, August 29, 2012 6:27 AM
> To: [log in to unmask]
> Subject: Re: [TN] what is the reliability of CFLs and LEDs as
incandescent light bulb replacements?
>
> My experiences are similar to Steve's, but not quite to that extent.
> I don't find them reliable and too many that I bought were DOA out of
> the box and returned. Then when they do burn out prematurely, we
> can't dispose of them easily.
>
> On the other hand, my wife hates them with a passion (brightness and
> spectrum) which may be the bigger reason why they are not used in my
> house.
>
> I did convert my Christmas lights from incandescents to LEDs about 7
> years ago and I have yet to have them burn out and I really noticed
> the drop in the energy bill during that time. As Rigo said, heat
> kills LEDs. Well, we don't really have to worry about that in Iowa in
December.
>
> I have one of the LED bulbs currently on trial in my house. So far,
> it has outlasted all the incandescent bulbs, though it is not as
> bright as I would like.
>
> Doug Pauls
>
>
>
> From: Steven Creswick <[log in to unmask]>
> To: <[log in to unmask]>
> Date: 08/29/2012 03:28 AM
> Subject: Re: [TN] what is the reliability of CFLs and LEDs as
> incandescent light bulb replacements?
> Sent by: TechNet <[log in to unmask]>
>
>
>
> Brian,
>
> Wow! The only 'early ones' that I could get were made to the West of
> the US [across a large pond], and they were not cheap!
>
> I remember in one purchase, I had 50% mortality just getting them
home.
> The store asked me what I had done with them? ... took them out of box
and
> screwed into socket. Didn't work!!! Here I am! Had to expend an
> Additional significant amount of fuel and time to return them.
> Suggested that they take the rest of the shipment and put them back
> into the shipping container and send them back to point of origin. My
> 'environmental savings' had long since been flushed away.
>
> I prefer the cool white [daylight] bulbs vs the dim 'warm' ones
> myself...
>
> I remain cautious about putting them in enclosed fixtures and/or
> continuous use applications. Certain brands are on my do-not-use, or
> use-with-caution list.
>
> I still remain skeptical about how much additional Hg was released
> into the environment by less than intelligent, frustrated consumers in
> the maddening rush to 'save the environment.'
>
> Even though prices of CFL's have come down and reliability has gone
> up, they are still not particularly cost effective for many of my
'typical'
> home-use applications. Your situation, on-the-island, could be
> different, however. IMHO, 'Feel good' still remains a large factor in
many cases.
> LED luminaries are just way too expensive yet!
>
> Steve
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Brian Ellis
> Sent: Wednesday, August 29, 2012 2:42 AM
> To: [log in to unmask]
> Subject: Re: [TN] what is the reliability of CFLs and LEDs as
> incandescent light bulb replacements?
>
> I agree that early CFLs were terrible for domestic use. Several years
> ago, being a professional environmentalist, I changed nearly every
> bulb in the house. I was disappointed because of 50 Hz flicker (well,
> 100 Hz really!), poor lifetime, cold light, long start-up time, poor
> reliability and high cost (about the equivalent of $10 each). They
> were all made in the USA (I was told the European ones weren't
> available). I think I must have taken
> 20 back for guarantee replacement.
> Little-by-little, they were replaced by European and Chinese ones with
> warm phosphors, faster start-up, high-frequency (flicker-free)
"ballasts"
> with minimal mercury and 1/3 of the price. These seem to be lasting
> their advertised lifetime -- can't really say, as I've replaced only
> one in ~5 years. I'm now entirely satisfied. I'm also amazed at the
> great variety of shapes, styles and sizes that are sold now, including
> traditional bulb-shaped ones. I recently installed a new light and
> went to Leroy-Merlin for a decorative CFL; it took me half-an-hour to
> find what I was looking for, such was the choice. I would guess they
> must have had 200 or more different types of CFL on their shelves,
> which occupied a whole aisle.
>
> Brian
>
> On 29/08/2012 00:29, Bob Landman wrote:
>> A very interesting discussion about what's inside these new devices.
> Have any of you torn one of them apart to see how well they are made?
> You'll be amazed at the poor quality of the components in a lamp
> that's supposed to have a 10 year life.
>>
>> -Bob Landman
>>
>> IFTLE 98 Lester the Lightbulb vs CFL and LED : the Saga Continues By
>> Dr Phil Garrou
>>
>> In IFTLE 63 [ see IFTLE 63, "Bidding Adieu to Lester Lightbulb
> http://www.electroiq.com/blogs/insights_from_leading_edge/2011/08/iftl
> e-63-bidding-adieu-to-lester-lightbulb.html
> ] back in Aug 2011 IFTLE attempted to make the case that our little 25
> cent friend Lester the incandescent bulb had gotten a bump rap as he
> awaited extinction on death row.
>>
>> It's not that the claims of the newer technologies (CFL and LED)
>> using
> less power than incandescent bulbs are invalid, but rather what
> appears to be the bold faced lie that their much greater cost is
> compensated by their decades long lifetimes that upsets all Lester
supporters.
>>
>> http://www.electroiq.com/blogs/insights_from_leading_edge/2012/04/ift
>> l e-98-lester-the-lightbulb-vs-cfl-and-led-the-saga-continues.html
>>
>> _____________________________________________________________________
>> _ This email has been scanned by the Symantec Email Security.cloud
> service.
>> For more information please contact helpdesk at x2960 or
>> [log in to unmask]
>> _____________________________________________________________________
>> _
>>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud
service.
> For more information please contact helpdesk at x2960 or
> [log in to unmask]
> ______________________________________________________________________
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud
service.
> For more information please contact helpdesk at x2960 or
> [log in to unmask]
> ______________________________________________________________________
>
>
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud
service.
> For more information please contact helpdesk at x2960 or
> [log in to unmask]
> ______________________________________________________________________
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud
service.
> For more information please contact helpdesk at x2960 or
> [log in to unmask]
> ______________________________________________________________________
>
______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud
service.
For more information please contact helpdesk at x2960 or
[log in to unmask]
______________________________________________________________________
______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud
service.
For more information please contact helpdesk at x2960 or
[log in to unmask]
______________________________________________________________________
______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask]
______________________________________________________________________
|
