The Lutran dimmers sold at Home Depot claim to have RFI suppression. I have
about 50 of them in my house and don't notice any RFI problems.
>
> From: Martin AA6E <aa6e@ewing.homedns.org>
> Date: 2006/11/18 Sat PM 10:38:51 EST
> To: rfi@contesting.com
> Subject: Re: [RFI] Haolgens AND . . .
>
> WarrenWolff@aol.com wrote:
> >
> >
> > I have posted elsewhere, but this is probably the best place to check this
> > out.
> >
> > I am told that low halogens are BIG generators of noise.
> > Is that really true?
> >
> > On the same note, what about light dimmer switches?
> >
> > We are building a new house, and I need to establish some intelligent
> > positions with my builder right away.
> >
> > Regards, Warren; W7WY
> >
>
> Halogen lights themselves are no problem. But the cheap dimming power
> supplies are reported to be big trouble.
>
> Dimmer switches vary. I have had good luck with modern ones, but older
> ones can be terrible. I think some are rated for RFI filtering. As
> usual, you probably don't want the cheapest. It might be good to test
> them yourself before installing.
>
> See http://www.epanorama.net/documents/lights/lightdimmer.html#rfi and
> http://www.lutron.com/applicationnotes/360484.pdf (see "lamp debuzzing
> coil")
>
> 73 Martin AA6E
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