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What's The Difference?: General Electric M250A2
From Norwood, MA - What's the difference? (besides the 10 on the top two and 15 on the bottom 2 or any other obvious observations)
Keywords: American_Streetlights

What's The Difference?: General Electric M250A2

From Norwood, MA - What's the difference? (besides the 10 on the top two and 15 on the bottom 2 or any other obvious observations)

IMG_7074b.JPG IMG_7067c.JPG IMG_7055x.JPG IMG_7069b.JPG IMG_7068b.JPG
File information
Filename:IMG_7055x.JPG
Album name:tpirman1982 / The Best of The Frangioso's Street Lighting Gallery
Keywords:American_Streetlights
Company and Date Manufactured:General Electric
Model Number:M250A2
Wattage:(multiple wattages)
Lamp Type:High Pressure Sodium
Filesize:75 KiB
Date added:May 11, 2016
Dimensions:1295 x 973 pixels
Displayed:110 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=20390
Favorites:Add to Favorites

Comment 1 to 1 of 1
Page: 1

streetlight98   [May 12, 2016 at 01:38 AM]
Top left is the original M-250A2 (originally called the M-150) with the squared nose and top. 1987 was the last year those were made. I have one that was made in 1987. The top right and bottom right are both the second generation M-250A2, made from 1987 through the late 90s. Those had the same squared nose (refractor doors are interchangeable with the 1st generation) but the top was rounded off. The bottom left is the third and current generation, which has a round nose and top. The refractor doors are not interchangeable with older models, though the Powr/Doors are and remain unchanged other than the fact that the original one had the GE logo upside down and the newer one has the logo facing the same way as the NEMA tag.

The top left one was made between ~1984 and 1987. The top right was most likely made in 1989-1990 (NEMA tag font). The bottom left was made sometime before 2005 and the bottom right was made sometime around the mid-90s.

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