Hi all, I have an idea for a new project. If you understand the basics of electronics, then you will understand this. I am going to use my electronic and...
Hi all I am hving problems with my Inbox. It keeps resending emails back even old ones that I have seen as unread? It is really winding me up. Help! Regards DP...
Every now and then, I hear about streetlights connected in series and I'm really in the dark on this. I'd love to find out more, so if anyone can explain or...
I haven't seen one up close but one model of series regulator has a carbon rod (medium good conductor) immersed in mercury. An electromagnet with a plunger...
There have been some very good descriptions of how series works posted here on this list over the years- just do a search through the message archives and...
Hi all I have the day off next Thursday\Friday so get prepared for a BIG update of my website! The website will have a big update as well. i will be taking a ...
Sorry for bringing up this old post. I did a search here for LDR and this came up from 2003. Anyhoo... That is what I did when I was younger. Find anything to...
Hello, I am still gathering data upon my researching into Streetlights. One aspect that I was wondering if anyone had data on. How many people have hit...
The current technology in breakable streetlight poles (not utility poles) is primarly easily sheared bolts that hold the pole or pole base to the ground...
I have actually noticed in most cases that the plates that hold the streetlight post to the foundation have been cut out where the bolts attach so that the...
Hi all, Unfortunately I will have to postpone that update this week because it is raining until Monday. Boo-hoo-hoo :-(. Davy (StreetlightingUK), it looks like...
... Ok so I *tried* to post a link earlier but it seems Yahoo thought it was spam. One would think that posts from a group moderator would automatically be...
Hi all Over here in most areas of the UK, they are phasing out SOX\LPS on main roads and side roads in favour for SON or Metal Halides. That means that our...
Hi all, I am doing a complete make over of the in-situ page at the moment. I will also be adding a few other sections to the electrical website soon. Fingers ...
City of Glendale, AZ used them in the Phoenix valley, but they are phasing them out to HPS. The cost to maintain the fixtures and the high cost of the short...
Hi all, I ahven't finished the makeover of the in-situ page but I am for the night so if you go and look at my website and tell me what you think of the ...
... phasing them out to HPS. The cost to maintain the fixtures and the high cost of the short life lamps have factored into this. Alamogordo, NM has also...
... How popular are LPS in the USA? ... Not very! There are few places that I've been to with active LPS installations. The big ones I can recall: 1) New...
... They're very rare. I know of one installation on a short stretch of roadway in Los Angeles, CA. I see them now and then in wallpacks on the side of...
There were only 2 installations here (Lincoln, NE) that I knew of, put in back in the 70s. One was in the mail truck parking lot at the Post Office and the...
Well, I've done a search and checked out links...fascinating stuff! There's definitely alot of info in this site: all you have to do is dig for it. Thanks for...
Hi folks, I'm working on determining the age of a building, on the lot of which is a set of the above mentioned lamps. I have posted five images on my web site...
Hello, Using a 240VAC source; I tried a 14uF 300VAC rated capacitor in series with a 100 watt H38 mercury lamp...it worked fine. However, there was a very loud...
... Lee will probably have a better answer for this but I know I've read somewhere why using a capacitor to ballast a lamp is a generally bad idea. I'm...
Hello, Using a 240VAC source; I tried a 14uF 300VAC rated capacitor in series with a 100 watt H38 mercury lamp...it worked fine. However, there was a very loud...
... Could be anywhere in the 60's to 70's. There's a late 70's gas station near me with some very similar lights and they were quite popular for a time....
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