I was wondering which of these scenerios causes the most harm to the ballast. Running the HID fixture 24/7 Repeated on/off cycles ( I know this isn't good for...
My University has decided to make some campus changes to conserve energy. The main one of those being motion sensors in the hallways to turn the lights on...
Does anybody know of a lighting or electrical site that I could get some info on recessed MH lights?? What is an average price of one of these lights?? I...
... Yep that sounds about right for a commercial light fixture. Look on ebay and you might get lucky and find some cheaper ones. Brand new ballasts alone...
... That really is stupid. The fluorescent lights if they have T8 tubes will normally deal with this sort of thing reasonably well, but those MH lights will...
In a message dated 7/3/2007 1:26:17 AM US Eastern Standard Time, ... I contacted the person responsible for this to get some more information. These sensors...
In a message dated 7/3/2007 1:25:41 AM US Eastern Standard Time, ... Ok, wasn't sure or not. I haven't done a lot of looking for commercial fixtures, but it...
In a message dated 7/3/2007 1:27:51 AM US Eastern Standard Time, ... Well, I'm glad to hear that. My school uses these fixtures all 3 ways, 24/7, repeated...
... information. ... leave the ... building the ... little energy if any ... is going to ... If traffic is light, energy savings will be substantial, but if ...
Chris, Why are the light fixtures so drastically different when you leave the metro NYC area and greater Philadelphia areas? I know that the mast arms used are...
... leave the metro NYC area and greater Philadelphia areas? I know that the mast arms used are very different in Whippany, the shore areas and they even...
I go through New Jersey a lot. My grandpa is a "resident" of NJ since he is buried there as my grandma is still alive living in NYC in Queens Area. I have...
I recently acquired a light fixture with a 55 watt Philips QL Induction lighting system. Has anyone worked with this before? It has a rated life of 100,000...
Lucky you! It is an electrodeless "fluorescent" lamp and I know of a number of light fixtures, both indoor & outdoor near where I work, that use these lamps....
... It's in a square vandal-resistant area light with polycarbonate lens. Lithonia VR4CV series. It wasn't working when I first got it. One of the conductors...
I don't know how things are now, but when I inquired of my wholesaler about buying a QL lamp back in the mid-90s, the vessel (lamp) and driver (ballast) were...
CAW Lighting ni Denver says they have them for $92.40. They also have the drivers, antenna rods and higher wattage bulbs. This stuff is still quite pricey. ...
... I have a 165W QL system which is pretty much the same only larger. Actually your 55W is a nice size, you ought to be able to find a place to put it to use...
Looking at the 165w QL lamp in Philips literature, I see silver wires around the circumference of the lamp in several places. Are these for EMI shielding...
... That's my assumption, but I don't really know. The "wires" are made of a conductive coating printed on the glass, much like the stuff most rear window...
If you've seen Jeff Saltzman's New York City streetlighting website, you've probably read about his nicknames for various fixtures in the city. On the site, he...
I think the old M-400 looks like they are scowling at ya! (They probably are scowling at the dark sky LOL) But I do see the newer M-400As as doubtfuls but I...
HAHA, I'm glad I'm not the only one who thinks the M400's are rather scary looking. Scowling is the perfect description!! </HTML> [Non-text portions of this...
I have a question about some MH lights. The fixtures are recessed can lights and I'm guessing the wattage to be 70 to 100 watts. The fixtures are enclosed...
Hi All I have added the Following to my Website The Colin Grimes Collection they are Wotan Circolux EL 24w Electronic CFL lamp added to Fluorescent Lamps and...
... The only thing that will cause a bulb to turn black is arc tube leakage, it's likely the lamps are either cheap and poorly made, or mismatched to the...
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