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Shiny brand new GE M-400R3 - guess what? It's a 400w mercury vapor! And this is not an archive photo take prior to the 2008 MV ballast ban, I took this pic yesterday ;-) Found on Imperial Highway in west LA near the beach. There are a bunch of MVs there, mostly OV-25s on series circuits, with one old L-M Unistyle 400 and some replacement AE 125s (all MV) and GE M400R3s (both MV and HPS). All mercs here are clear mercs! Keywords: American_Streetlights

Shiny brand new GE M-400R3 - guess what? It's a 400w mercury vapor!

And this is not an archive photo take prior to the 2008 MV ballast ban, I took this pic yesterday ;-) Found on Imperial Highway in west LA near the beach. There are a bunch of MVs there, mostly OV-25s on series circuits, with one old L-M Unistyle 400 and some replacement AE 125s (all MV) and GE M400R3s (both MV and HPS). All mercs here are clear mercs!

2012-04-15_17-47-54_834.jpg 2012-04-15_17-55-09_284.jpg P1010029.JPG P1010030~0.JPG P1010183.JPG
File information
Filename:P1010029.JPG
Album name:Silverliner14B / Street Lights
Keywords:American_Streetlights
Company and Date Manufactured:GE
Model Number:M400R3
Wattage:400w
Lamp Type:MV
Filesize:267 KiB
Date added:Apr 03, 2012
Dimensions:2048 x 1536 pixels
Displayed:244 times
Color Space:sRGB
Contrast:0
DateTime Original:0000:00:00 00:00:00
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program Creative
Exposure Time:1/100 sec
FNumber:f/3.5
Flash:No Flash
Focal length:59 mm
ISO:64
Light Source:Unknown: 0
Make:Olympus Optical Co.,ltd
Max Aperture:f/3.5
Model:C730UZ
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=11299
Favorites:Add to Favorites

Comment 1 to 10 of 10
Page: 1

streetlight98   [Apr 03, 2012 at 12:49 AM]
Do they still make series mercs or is this old stock? BTW, that NEMA tag is really pale! Shocked
Silverliner14B   [Apr 03, 2012 at 06:58 AM]
That's what I would like to find out. Series mercs are the only new mercs I see going up here and rather infrequently.
LilCinnamon   [Apr 03, 2012 at 02:52 PM]
It might be a metal Halide fixture. My utility here installs brand new Metal Halide M-400 R3's and puts Mercury lamps in them. Or they would put some older lights that are Mercury Vapor say an M-400 R2 from the 1990's or a bit below, and install them to replaced old failed fixtures, like one M-400 R2 from the 80' replaced an M-400 R3 from the 2000's.

To this M-40 R3, it looks like it was made in the 2006-2008, because of the bumps on the door and the NEMA tag, I would possible say 2007 or 2006. This might be the same age as my M-400 R3 I got from the re-store.
mercuryvaporrocks   [Apr 03, 2012 at 03:54 PM]
I doubt they even make series mercs since all mercury vapor ballasts are banned, this is most likely a NOS GE M-400.
gailgrove   [Apr 03, 2012 at 04:30 PM]
Not really NOS, but it was likely made prior to the ban. Wink
mercuryvaporrocks   [Apr 03, 2012 at 04:56 PM]
That's what I said, manufacturers haven't made a mercury vapor light in 4 years.
gailgrove   [Apr 03, 2012 at 04:58 PM]
I was agreeing with you... Anyways my point is it isn't really classifiable as NOS since it is only 4 years or so old.
mercuryvaporrocks   [Apr 03, 2012 at 05:12 PM]
I think GE still makes series ballasts for high pressure sodium streetlights.
streetlight98   [Apr 03, 2012 at 09:34 PM]
Yep. The M-250A2 is available with a series ballast with it mounted in the top housing. IMO, if they only make 'em with top mounted series ballasts, they should use the M-250R2 housing. Can you use, let's say a series incandescent with a series merc and series HPS on the same circut or do they all have to be the same?
Silverliner14B   [Apr 03, 2012 at 10:07 PM]
Yep, it doesn't matter what light source you use on a series circuit as long as the appropriate ballasts are available. By the way AE also makes 115s and 125s with series ballasts.

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