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ComEd installing a new light Terrible picture I know, but I was driving and noticed a ComEd crew installing a new street light at this intersection. The old light and pole had been gone for a couple weeks, though a fragment of the pole remained. Maybe a car struck it? The old light was a GE M250 merc. This new one is a GE M400R3 FCO 400w HPS, although I wouldn't be surprised if they actually are using a Merc lamp in this fixture like the other one I took a pic of. Keywords: American_Streetlights

ComEd installing a new light

Terrible picture I know, but I was driving and noticed a ComEd crew installing a new street light at this intersection. The old light and pole had been gone for a couple weeks, though a fragment of the pole remained. Maybe a car struck it? The old light was a GE M250 merc. This new one is a GE M400R3 FCO 400w HPS, although I wouldn't be surprised if they actually are using a Merc lamp in this fixture like the other one I took a pic of.

2011-06-07_21-35-04_458.jpg IMG_1227.JPG photo~0.JPG DSC04990.JPG DSC04992.JPG
File information
Filename:photo~0.JPG
Album name:gramirez2012 / American Streetlights
Keywords:American_Streetlights
Company and Date Manufactured:GE 2011
Model Number:M400R3
Wattage:400
Lamp Type:HPS
Filesize:274 KiB
Date added:Jun 07, 2011
Dimensions:1200 x 1600 pixels
Displayed:66 times
Color Space:sRGB
DateTime Original:2011:06:07 11:30:27
Exposure Mode:0
Exposure Program:Program
FNumber:f/2.8
Flash:No Flash
Make:Apple
Model:iPhone 3G
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=6801
Favorites:Add to Favorites

Comment 1 to 8 of 8
Page: 1

gailgrove   [Jun 07, 2011 at 09:25 PM]
They couldn't use a mercury lamp in a HPS fixture, it won't work Wink
gramirez2012   [Jun 07, 2011 at 09:46 PM]
I was under the impression that higher wattage HPS lamps that run on 240v could run the same wattage MV lamps, with the ignitor removed, of course.
gailgrove   [Jun 07, 2011 at 09:48 PM]
well maybe with the igniter removed, but I highly doubt they would do that, perhaps it was converted to MH.
gramirez2012   [Jun 07, 2011 at 09:49 PM]
ComEd doesn't use MH, as far as I'm aware.
gailgrove   [Jun 07, 2011 at 09:52 PM]
What I meant was a MH ballast was installed, which can run a mercury lamp.
gramirez2012   [Jun 07, 2011 at 09:52 PM]
These have yellow wattage stickers though. Confused
streetlight98   [Jun 07, 2011 at 10:22 PM]
For higher wattage HPS lamps, MV will work on a dead ignitor. I found that under GE's HPS troubleshooting guide on their website. I don't think a utility would do that because in the long run it may ruin the ballast or lamp.
gramirez2012   [Oct 29, 2011 at 02:18 PM]
If you haven't already seen, here is a better picture of this light: Pic

Comment 1 to 8 of 8
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