Our new kitchen has 8 x 2-bulb Kichler halogen under-cabinet lights.
Not a bit of noise, because the switching PSes are inside the metal
cases, and perhaps because they are better designed to start with, but
288 watts! If/when they solve the issues with color and cost, I hope to
replace them with LEDs, but the cost/year trade-off is still measured in
73, Pete N4ZR
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On 3/28/2011 9:41 AM, Larry Parker wrote:
> I have taken out this style of undercounter lighting from the house I just
> The power supply converting the 120 vac to 12 vdc functions at 20 khz.
> This generated HF pulse is being accentuated with the length of wire feeding
> undercounter halogen puck lamps.
> In turn producing a 40 over S9 signal on all the HF bands from 160m through
> 80m and up past 40m where it finally starts to dimminish.
> I replaced these offending lighting circuits with the newer low voltage DC
> LED puck lights
> which are so much more energy efficient.
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