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GE M400A2 400W HPS Streetlight
[img]https://i.postimg.cc/Ss6vzwhk/20181018-170613-1.jpg[/img]

GE M400A2 400W HPS Streetlight

20181018_1700015B15D~0.jpg 0_(3).jpg 20181018_1705485B15D.jpg 20181018_1705485B15D.jpg 20181018_1705485B15D.jpg
File information
Filename:20181018_1705485B15D.jpg
Album name:High Intensity / Streertlights
Company and Date Manufactured:GE [General Electric]
Wattage:400w
Lamp Type:High Pressure Sodium
Filesize:404 KiB
Date added:Oct 25, 2018
Dimensions:3000 x 2250 pixels
Displayed:78 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=23687
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Comment 1 to 9 of 9
Page: 1

lite_lover   [Oct 25, 2018 at 01:38 AM]
A GE M-400A2
Mike   [Oct 25, 2018 at 11:45 PM]
Nice! A first generation one too! Has the door vents and the decorative ridge on the top housing like the M-400As had. I believe 1992 was the year they got rid of these features and also switched from the 2-bolt rocker fitter to the 4-bolt fitter.
NiMo   [Oct 27, 2018 at 07:02 PM]
Mike, the 4 bolt plate actually started with the M250A2 in the early 80s and carried over into this product line. Also it was 1988 when GE revamped the housing on the M400s at that time. I've seen installations as early as that with the smooth housing.
Mike   [Oct 28, 2018 at 09:33 PM]
Yep I was aware of the 4-bolt fitter on the M-150/M-250A2 and M-250R2; was referring only to the M-400 line. Thanks for correcting me on the year though. Didn't realize they had switched the M-400R2/A2 design that early! So the original design was only made for three years?
NiMo   [Oct 28, 2018 at 10:20 PM]
It was.
lightingfan8902   [Oct 29, 2018 at 02:30 AM]
Wait.... There was a GE M-150? Surprised
joe_347V   [Oct 29, 2018 at 09:34 PM]
I think that's what the M-250A2 was orignally called since it only supported up to 150w HPS. I believe the name was changed to M-250A2 after GE modified the design to accept 250w lamps.
Mike   [Oct 30, 2018 at 11:56 PM]
Yeah I have a GE catalog from April 1985 that says in fine print "*Formerly M-150" under the title for the M-250A2 page. The M-150 is identical to the very first M-250A2s, with the boxy top housing and boxy front. In 1987/1988 I believe they rounded off the top of the light but kept the same refractor door. I have one from 1987 that is still the original boxy shape. Then sometime in the very late 90s or early 2000s they switched to the current round-nose version. I don't know the year that happened though perhaps NiMo might.
lightingfan8902   [Oct 31, 2018 at 03:25 AM]
Hmm, thats neat!

Comment 1 to 9 of 9
Page: 1