Usenet.com

www.Usenet.com

Group Index

Sci Thread Archive from Usenet.com

<-- __Chronological__ --> <-- __Thread__ -->

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
[EMAIL PROTECTED]
This is an invalid return address
Please reply in the news group




<-- __Chronological__ --> <-- __Thread__ -->


Usenet.com




Please check out one of the premium Usenet Newsgroup Service Providers below for access to Usenet.




Please check out one of the premium Usenet Newsgroup Service Providers below for access to Usenet.