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My 100W M-250R Installed Out Back! The M-250A2 FCO looked pretty sharp on this arm but the silver M-250R is really killin' it! There were some silver M-250Rs installed on tapered arms around here, but they've all been the 1965 variety with the protruding tab on the latch (which I do have one of). These arms were not used before 1965 (at least not in noticeable numbers). This beauty is 100W MV with a 120V regulator ballast (big 4-coil scoreboard buzzer GE ballast lol) with a capacitor in series with the lamp. This son-of-a-gun weighs as much as a newer 250W HPS M-250R2, I kid you not! The ballast in this isn't much smaller than a newer 250W HPS GE ballast lol. Can't get a good look at the ballast though since the bracket covers the entire ballast. One of the four screws holding the ballast bracket in place is stuck so I can't get to the ballast for a picture. I didn't want to force the screw and shear the head off. This is installed with a 1986 Fisher Pierce photocell and a 1985 NOS Philips 100W clear lifeguard. I'll grab a lit pic of this sometime this week... Keywords: American_Streetlights

My 100W M-250R Installed Out Back!

The M-250A2 FCO looked pretty sharp on this arm but the silver M-250R is really killin' it! There were some silver M-250Rs installed on tapered arms around here, but they've all been the 1965 variety with the protruding tab on the latch (which I do have one of). These arms were not used before 1965 (at least not in noticeable numbers).

This beauty is 100W MV with a 120V regulator ballast (big 4-coil scoreboard buzzer GE ballast lol) with a capacitor in series with the lamp. This son-of-a-gun weighs as much as a newer 250W HPS M-250R2, I kid you not! The ballast in this isn't much smaller than a newer 250W HPS GE ballast lol. Can't get a good look at the ballast though since the bracket covers the entire ballast. One of the four screws holding the ballast bracket in place is stuck so I can't get to the ballast for a picture. I didn't want to force the screw and shear the head off.

This is installed with a 1986 Fisher Pierce photocell and a 1985 NOS Philips 100W clear lifeguard. I'll grab a lit pic of this sometime this week...

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File information
Filename:041017_001.JPG
Album name:Mike / My General Electric M-250R (1963)
Keywords:American_Streetlights
Filesize:656 KiB
Date added:Apr 10, 2017
Dimensions:2048 x 1536 pixels
Displayed:141 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=21768
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Comment 1 to 4 of 4
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joe_347V   [Jun 26, 2017 at 02:27 AM]
Ahh, so that's what the OEM M-250R birdguard looked like. Seems fairly simple to make if I ever needed to make one for my crimefighter.

Nice pic of your M-250R BTW.
streetlight98   [Jun 26, 2017 at 11:32 AM]
Yeah very simple to make and it's very thin sheet aluminum. The one in my 1965 M-250R is a little different. The side ends are flanged so it wedges between the posts in the housing instead of dropping in there loose. With the flat one you need to either hold or tape the bird guard in place when you install the light or the bird guard will fall out. The M-250R1s I have actually had a piece of masking tape holding the bird guard in place for you.

Thanks! Yeah this looks great on the tapered arm. Since this has the bird guard though, if I were to put this into use I'd probably use a 1-1/4" arm. I'll probably put my M-250A and OV-15 on my two tapered arms.
lite_lover   [Jun 27, 2017 at 01:41 AM]
Looks good on the arm.
streetlight98   [Jun 27, 2017 at 03:02 AM]
Yeah anything looks good on these tapered arms. Cool Especially these 60s GEs though. The OV-15 and OV-25 look nice on these arms too. Lots like that in Westerly, RI.

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