Re: Fluorescent lamp misbehavior
"JackC" <jcachel@roadrunner.com> wrote in message news:f644bb60-1904-4519-82a3-97fde22732dc@x1g2000prb.googlegroups.com... > Lamps: compact fluorescent, PL type, rated 96W > Ballast:...
View ArticleX10 to 0-10V conversion
Has anyone come across a small module (ideally small enough to fit inside a fluorescent luminare) which will pick up mains-borne X10 signals, and output a 0-10V fluorescent dimmer control voltage? --...
View Article45 LPW Incandescent?
At the Energy Star Conference in Denver a few weeks ago, Advanced Lighting Technologies (ADLT) stirred things up nicely by announcing that they would be introducing, along with CFL manufacturer TCP,...
View ArticleT5HO lamps for indoor plants
I live in Minnesota, where the winters are 6 months long. To keep from going crazy, I do some gardening in my basement. Not cannabis, (not that there's anything wrong with that) but hot peppers and...
View ArticleIncandescent globes for use in elevated temperature environments (Ovens)
Can anyone tell me what are the constructional differences between an ordinary off the shelf incandescent globe and those that are 300C rated for uses in ovens and similar environments? It seems to me...
View ArticleUV light from flourescent
What is the typical range of wavelengths emitted by a UV flourescent tube found in a cheap handheld torch like the one in this picture?...
View ArticleCFL delay
Hi, I am hoping someone with more experience can give me a little advise on this. I have 2 cfl 10w recessed lights on one switch. these are 4 pin g27 bulbs.. when i turn the switch on, one light comes...
View ArticleMeasuring of CCT
Moin moin, I have here: 1. an used Minolta CA100 (not the plus), last calibration 2005 2. a freshly from Gossen calibrated Gossen Colormaster 3F 3. an integrating sphere 30 cm diameter, painted with...
View ArticleFloodlight for residential back yard
Hello all! I am looking for an outdoor floodlight for a residential back yard. The quick version is that the customer now has a cheap 300W linear halogen floodlight and loves the brightness and...
View ArticleDraining NiMH by using LED in flashlight?
Is it true you an use an LED flashlight to drain an NiMH rechargeable AA cell to a suitable voltage in order to condition the cell? ISTR that NiMHs should nto be drained to below 0.9 volts. Would an...
View ArticleDetecting Subtle Brain Injuries
New imaging methods may help distinguish brain damage from psychiatric disorders. By Emily Singer Researchers have shown that three novel imaging techniques can detect mild brain damage not visible...
View ArticleLED Interfered With IR Remotes???
I've been using a 7 watt LED bulb, sold through Boston Robotics, for about a month in our TV room lamp. It's worked fine with the slide type dimmer. Today thought, there was a bizarre occurrence. All...
View ArticleDimming Incandescent and Halogen Incandescent Lamps
Does anyone have a reference or comparison graph of lamp watts vs. light output (lumens) for (1) standard incandescent (2)halogen incandescent (3) halogen IR incandescent lamps? I'd like to be able to...
View ArticleWhy LEDs are more efficient than CFL
LEDs are more efficient because they focus all their light in the direction it is to be used? The tubular shape of CFL mean lots of lumens going in the wrong direction towards inefficient reflectors....
View ArticleRunning mains fluorescents from inverter
Currently got a remote observation site (wildlife) with no grid fed power nor any prospect of it. Half the site has a few modified 4ft T5's (36W) retrofitted with 12v IOTA Ballasts (2D12-1-32) fed from...
View ArticleEffect of starting on lifespan of general-lighting HID lamps?
I've done some searching a number of times in the past on exactly how adverse an effect on life frequent starting has on various (otherwise properly installed/operated) types of lamps,...
View Article101 Gadgets That Changed The World
This is a Popular Mechanics tribute to LEDs. Are the facts true or false? 31. LED Russian Oleg Vladimiovich Losev invented the first LED in 1927, though no practical use was found. Nick Holonyak, Jr.,...
View ArticlePhase-control-dimmable CFLs: my first impressions
So I went to Lowe's and bought some "dimmable" CFLs and light dimmers to play around with and fill in another conspicuous gap in my lighting experience. There seems to have been a lot of complaints of...
View ArticleRe: incandescent light bulb phase-out in the U.S. (are flood bulbs exempt?)
techman41973 <techman41973@yahoo.com> writes: > The federal government is banning incandescent bulbs over 100 watts > this January >...
View ArticleRe: incandescent light bulb phase-out in the U.S. (are flood bulbs exempt?)
Strange. I don't remember seeing "energy efficiency" as one of the powers delegated to the Fed by the Constitution. -- Christopher A. Young Learn more about Jesus www.lds.org .. "techman41973"...
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