[Elecraft] LED bulbs

Jim Sheldon w0eb at cox.net
Tue May 12 08:41:20 EDT 2015


The CFL bulbs get hotter, and the incandescents they both replace get an 
awful lot hotter so I wouldn't worry much about the heat.  The LED bulbs 
I have -- 90 in all --- generate far less heat then the CFL's I replaced 
them with.  I can at least grab the base of the LED's after they have 
been on for a while and not get burned.  I can't say that for about 80 
percent of the CFL's and in order to change an incandescent that's been 
on I either had to use gloves or wait 5 minutes or so until it and the 
fixture cooled off.

LED's are a current driven device so there WILL be some heat generated.  
I've had many of the CFL's actually start smoking though so I don't 
trust those as far as I can drop them (I CAN throw them pretty far) LOL.

Jim - W0EB

------ Original Message ------
From: "Mike Reublin NF4L" <nf4l at comcast.net>
To: "Elecraft List" <elecraft at mailman.qth.net>
Sent: 5/12/2015 7:33:36 AM
Subject: Re: [Elecraft] LED bulbs

>I put 3 LED can lights in the shack, and there are 11 LED bulbs in the 
>kitchen next door. No noise that I can attribute to them. I like the 
>whiter, brighter light.
>
>I do have a question about the claimed $ savings. The base of these 
>things get fairly hot. How much is that heat costing?
>
>73, Mike NF4L
>
>
>>  On May 12, 2015, at 8:20 AM, Charles Yahrling <cfytech24x7 at gmail.com> 
>>wrote:
>>
>>  Why not go to home depot and get a few to try? A ham friend did just 
>>that
>>  to replace CFLs and had good results.  More light
>>  from same watt rating with the LED bulbs. No RFI.  Pretty cheap 
>>investment,
>>  easy to experiment with, just screw out the old and in with the new. 
>>No
>>  xformer required.  No electrician required.
>>
>>  --
>>  de AB1VL
>>  NAQCC #6799
>>
>>  ab1vl.com
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