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Re: Low Voltage Lighting



On Wed, 3 Dec 2003 1:03:28 -0800, JB wrote
(in message <[EMAIL PROTECTED]>):

> 
> "DaveC" <[EMAIL PROTECTED]> wrote in message
> news:[EMAIL PROTECTED]

>> Need to light a display in a dark room with less-than-full brightness
>> lights (ie, "mood" lighting). Would like to use small spots, but these 
>> are mostly quartz-halogen bulbs. To my understanding, QH bulbs 
>> must be run at full brightness, otherwise the filiments fail to 
>> "redeposit" properly.
>> 
>> Also, dimming LV lighting is not straight forward (out of the box; I know
>> anything can be done with custom controls...)
>> 
>> This leaves mineature incandescant spots. Wiring is a pain (mains voltage,
>> conduit, code requirements, etc.), but if all else fails, I'll do this
>> using a dimmer.
>> 
>> Suggestions?

> No problems running LV halogens at levels down to 20% or so as long as you
> occaisionally run them at 100% to 'clean up' the deposited tungsten from the
> capsule wall.
> 
> I use inductive rated dimmers with wirewound transformers throught out my
> house with LV with no lamplife issues at all. In fact I think that lamplife
> has actually been improved.

These are mains voltage-rated dimmers controlling the 120 vac input to the 
step-down wirewound transformers?

Can you provide a reference to such a dimmer & said transfomrers?

> You can bounce queries like this on sci.engr.lighting NG.

Thanks, I will. 
-- 
DaveC
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