[RFI] led bulbs?

Pat wa4tuk-rf at comcast.net
Thu Sep 29 11:09:35 EDT 2016


100 watt 130 volt rough service bulbs are still being made. They are 
considered a "specialty" bulb.  Three-way bulbs also escaped the ban. 
Halogen equivalents are available.

They are not $0.25 a piece as they were just a few years ago and you'll 
really have to search to find any USA made.

That said, I only use incandescent bulbs in a very few places from 
supplies bought years ago.

I would pick a name brand LED from a store that allows returns and do my 
own tests. If it causes interference you return it with a simple 
explanation that it makes my radio buzz or if that doesn't work just say 
it "don't work". You'll most likely get an odd look and a refund. Then 
you move on. If you find a winner go back and buy a good supply before 
they change.

I have 9 LED bulbs in daily use with no noticeable RFI. All came from 
Sam's Club and are branded GE from China. None may be dimmed. Three are 
in the radio room.

Pat
wa4tuk

On 9/29/2016 7:46 AM, David Robbins wrote:
> Was there someone who made a list of quiet led bulbs??  I finally used the
> last 100w incandescent I had stockpiled so I guess its time to start
> switching over.
>
>   
>
> David Robbins K1TTT
> e-mail:  <mailto:k1ttt at arrl.net> mailto:k1ttt at arrl.net
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> telnet://k1ttt.net:7373
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