I recently stumbled across a new website depicting all of those different luminaires staying lit in the daytime. The name of this site is All Lit Up!, and ...
Hi everyone, I've been reading with great interest your passion for streetlights. I'm doing an extensive study for a California utility to develop a...
Regarding energy management: 1. If I remember correctly, new lamp and ballast technology would be needed in order to make streetlights dimmable. Each light in...
One company claims successful dimming of HID lamps, metal halides even, though they are very secretive as to how this is done. It is reportedly very costly,...
Hi folks, I work in the street lighting management area in Brazil and I am very interested in following the progress of the technology on the lighting control...
Hi everyone, We’re looking at technology companies in Canada, United States, and Europe that have developed streetlight dimming capabilities. As for the...
... I'm starting to think that claim is bogus, what else would explain the bizarre level of secrecy given how little time it would take to reverse engineer...
Rather than tricky systems to manage current streetlighting at great expense, it would seem to me more useful to develop new lighting that provides the...
... most of ... It's even worse around here, quite a few of the arterials are 400W HPS that spray light everywhere. I'd be very curious to retrofit a few...
It's even worse around here, quite a few of the arterials are 400W HPS that spray light everywhere. I'd be very curious to retrofit a few cobraheads with 65W...
... and 42 watt range. The 30 & 42 watt CFLs are daylight 5000K scale. The rest are 2700K. Personally I like hotter colors for lighting the yard. I like the...
I don't have enough evidence from only one installation to prove a point, but the 26 watt quad tube I installed in my sister's yardlight easily exceeded its...
As I have done within a 2.5m cubic foot freezer, Pulse arc 320w metal halide fixtures that have a occupancy sensor. When there is no traffic then the lamps...
As I ponder street light dimming/control ideas the story about the American astronauts who used a gravity defying ink pen in outer space comes to mind. The pen...
... to the ... Perhaps the ... will be ... (preferably ... dimmed ... One problem I see with this is that the HID dimming systems I'm familiar with require the...
No question that Americans generally are overbought into the principle of "technology" being the solution to all our ills. We create pens that cost a fortune...
... not ... Hi, Lee (and others)! Years ago, Los Angeles used to do the Every Other Light Off routine in select areas. I remember seeing this on Cahuenga Blvd...
I am just beginning to see fluorescent street lighting in competitive sales situations. It has won yet over HID solutions. Fluorescent lights are temperature...
":_*In the case of wanting to manage streetlight power consumption, why not simply turn off every other streetlight after 2AM or whenever?*_ Around here, the...
The HPS fixtures on the Santa Clara side of Stevens Creek Blvd appear to be from the early 1980s. The other side of Stevens Creek is in the city of San Jose,...
The city of Evanston, IL is currently in the process of retrofitting their approximately 4,500 post-top "Tallmadge" street lights with Philips QL induction...
... poles ... event ... http://www.prairiestyles.com/images/architects/tallmadge/tallmadge_evanstonlite.jpg ... I'd forgotten about QL induction lamps for some...
Does anyone know anythig about those "crime fighter" models found in chicago lights?? I was very surprized to see those buckets bulging out of the fixtures....
... They're made by GE, they use a vertical lamp and the idea is that by spraying light everywhere it will reduce crime. It's silly if you ask me though, light...
... out ... Ugly and boring and nasty and stupid-installed in 1977 on all Chicago arterial streets to replace M400s, OV25s, OV20s and countless other classic...
I believe the OV-25s may be older than the Crimefighters. The San Francisco Bay Area has some HPS Silverliners in various cities. They date to around...
OK, so I was out watering some trees last night when this older gentleman from down the road came walking by. We were talking about various neighborhood...
After reading various books and articles on the now-50-year-old Interstate Highway System, I've had a sudden curiosity about something. The question is: "When...
... Here in the Seattle area most of them have three lights. I've seen a few with four, five or six though. Last year we came across some temporary wooden...
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