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Re: [RFI] Looking for low-RFI high efficiency lighting

To: Kelly Johnson <n6kj.kelly@gmail.com>
Subject: Re: [RFI] Looking for low-RFI high efficiency lighting
From: Jeff Stevens <jeff@mossycup.com>
Date: Tue, 8 Jul 2014 13:31:47 -0400
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
I too have been happy with my Cree bulbs from HD.  I only operate at
7MHz and above so I haven't done more than a quick listen on MF nor
have I operated with an antenna in immediate proximity to the bulbs.
My recollection is that the ARRL recently compiled some information on
LED retrofit bulbs (Edison style base) but I don't recall what their
conclusions where.

As an aside, the Cree bulbs give out a relatively pleasing color which
matches that of incandescent lighting.  They certainly aren't alone in
that respect but many of the cheaper bulbs give off that cool white
bluish light.  Bulbs from the name brand manufacturers now provide CRI
and color temperature information right on the box -- very nice

If only they provided third party verified plots of radiated and
conducted emissions as well.  That would be gold!


On Tue, Jul 8, 2014 at 1:20 AM, Kelly Johnson <n6kj.kelly@gmail.com> wrote:
> I am looking for high efficiency lighting (CFL/LED) for a new kitchen, but
> I don't want an increase in RFI as a result.  Building codes now require at
> least 50% of the wattage in the kitchen to be from high efficiency (ie.
> non-incandescent) lighting.  No, I don't want to install high efficiency
> stuff and then replace it after the inspector leaves.
> I read the Oct 2013 QST article on this topic and it basically suggests
> that most name-brand LED lights with FCC approvals will probably be ok, but
> it's a bit of a gamble.  They suggest trying various brands, etc.
> Since this is a brand new kitchen, I may have more options than just
> looking for low-RFI bulbs.  All of the electrical will be getting done from
> scratch.  Are there things others have done in their new construction to
> use high efficiency lighting without an increase in RFI?  I'm looking for
> known solutions.  I'm looking for people that have actually installed
> things that work.
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