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Re: [RFI] ARRL to FCC...

To: rfi@contesting.com
Subject: Re: [RFI] ARRL to FCC...
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Fri, 01 Aug 2014 09:34:26 -0700
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On 8/1/2014 3:40 AM, Pete Smith N4ZR wrote:
Jim, for whatever it may be worth, we have 8 2-bulb Kichler Xenon under cabinet fixtures in our kitchen, which is directly below my shack. I have never noticed any noise from these on HF. We did have them all fail, one after another, over a period of years, apparently because the switching power supplies went south, but Kichler replaced them without a flicker, so they must have known there was a design issue.

That's good news.

Looking at Kichler's current offerings, they seem to offer both units with built-in switching supplies and units designed to be powered from a central 12V supply. Wouldn't it be feasible to stash one large 12V filament transformer in the back of a cabinet and wire the lights from it?

Certainly. Even a quiet 12V switcher, like some sold for use with our ham gear. We must, of course, pay attention to local building codes with respect to installation methods and safety approvals of equipment.

73, Jim K9YC
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