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The Underside of the M-250R1 I'll be Getting Soon...
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Yep. NOS. :-D It's missing the glass but the slightly damaged GE glass lens that George gave me or my M-250A's glass lens will serve this light well until i can find a lens in better shape for it. if this was a use light it wouldn't be that big of an issue having a chipped refractor but since it's NOS i want the glass to be NOS too or be fully intact. I believe this is a 175W 120X240V unit.
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this has to be between around 1973 and around 1976 since it has a felt gasket yet no drip holes on the door (added in 1978).
I'm surprised ITT had tags in the late 60s. On the other hand Powerlite didn't use tags until the early 80s and they used green for HPS. Thats why Powerlites with MV tags are very rare...I only found a B2255 with a blue 40.
somehow Westinghouse got out of putting NEMA tags on their silverliners. It was't until Cooper/Crouse-Hinds took over that NEMA tags started appearing on the L-150s and L-250s. They used really cool metallic blue NEMA tags. Darren has a pic of one on his 400W MV L-150. GE had only used metallic HPS tags as far as i know. By 1990 i think GE was using regular HPS tags too. ITT never used metallic tags as far as i know, but Thomas & Betts had used metallic 100w MV tags on the FCO 313s used in Joe M's area. I'm not sure about any company's MH tags since older MH street lights seem pretty rare.
I know Westy Canada didn't have NEMA tags until the early 80s when the last Westies were made. Those had metallic gold HPS tags (not sure about MV or MH) but the ones from the 70s had a ~1x3 white rectangular tag with the wattage in black numerals. like this: [400] The coloured border probably indicated the light source. The same colours as the NEMA tags were used.
Powerlite has green mylar? tags for HPS and blue mylar tags for MV, but since they only adopted NEMA in the 80s MV tags are quite rare. I don't think I've seen a metallic MV tag so those must be quite rare. Another thing I noticed with Canadian fixtures from the 70s-90s is that most have the nameplate outside on the door instead of inside. I know Powerlite, CGE, and McGraw Edison Canada fixtures had external nameplates at one point. I would assume the US models don't have nameplates on the door.
I'm not sure about MH tags for most older lights too except the Cooper gumballs which have a mix of red and white (faded red?) tags. No PSMH tags on them even though they are technically PSMH...
GE had used those 1X3 tags with the wattage written out too but they were just white. I've only seen them on MV M-250As though.
yeah i've never seen fixtures with external name plates. I've seen R47s at CCRI before but i dan't know if they had external nameplates or not. I don't think they had NEMA tags...
yeah most PSMH fixtures had used all red tags for wattages under 150 and Cooper and AEL still do. GE is the only one that uses the PSMH tag for all wattages. imo, all PSMH wattages should have the r/w tag so that the tags are all uniform. yeah they don't make probe start 70W lamps but it's just more uniform to have them all the same.