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Left: General Electric M-400 A. Right: General Electric M-400 R2. Both Mercury Vapor fixtures. Keywords: American_Streetlights

Left: General Electric M-400 A. Right: General Electric M-400 R2.

Both Mercury Vapor fixtures.

DSCN6134.jpg DSCN6057.jpg DSCN6114.jpg DSCN6090.jpg DSCN5858.jpg
File information
Filename:DSCN6114.jpg
Album name:Lil'Cinnamon / Colorado Streetlights
Keywords:American_Streetlights
Filesize:97 KiB
Date added:Nov 12, 2011
Dimensions:1000 x 513 pixels
Displayed:105 times
Color Space:sRGB
Contrast:0
DateTime Original:2011:11:12 16:00:49
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/1000 sec
FNumber:f/3.6
Flash:No Flash
Focal length:9.4 mm
ISO:100
Light Source:Unknown: 0
Make:Nikon
Max Aperture:f/3.2
Model:COOLPIX S51
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=9472
Favorites:Add to Favorites

Comment 1 to 8 of 8
Page: 1

GullWhiz   [Nov 14, 2011 at 09:31 PM]
Are you sure the one on the left is a powerdoor? It's just I have observed all the fixtures in those Line Materials arms that you took pics of are one door......
LilCinnamon   [Nov 14, 2011 at 09:35 PM]
I am not sure. I just said "M-400 A" Because I was not sure.

My guess this could be a split door version like Michael's light. With the screw and vents instead of the latch.

Not sure about this one.
streetlight98   [Nov 14, 2011 at 10:13 PM]
Yeah this is exactly what my M-400 split door looks like (except that mine has a PC socket).
Antstar85   [Nov 14, 2011 at 10:17 PM]
It's funny, the lights in Holyoke look just like these and they are powr/doors.
streetlight98   [Nov 14, 2011 at 10:18 PM]
The very first M-400 split doors used the same door as the powr/door companions. I'm not sure why they switched to using two separete kinds of ballastry doors though. Neutral
LilCinnamon   [Nov 14, 2011 at 11:07 PM]
This has a PC socket on it I think... Just has a shorting cap so it's small.

I did notice for the lights down here, most of them have Taped up PC's to work on the relay they used.
streetlight98   [Nov 14, 2011 at 11:14 PM]
Ahh. i see. If there is no PC, it will have a clear window like your M-400A FCO.
NiMo   [Nov 20, 2011 at 02:41 AM]
More likely it's a non-PE unit. The old M-400s depicted had no P-cells, so that's what we have to go by. If there were P-cells, the M-400A1 would either have the external twist lock P-cell or the internal Astrodome P-cell.

Comment 1 to 8 of 8
Page: 1
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