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Seller's pics of the soon-to-be-mine NOS GE "C" M-250R1
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This is apparently a customized GE M-250R1 (though customized from the factory). It has a "C" embossed where the NEMA tag should go so I've dubbed it the "C" M-250R1 lol. I assume "C" stands for Chicago since the seller is from Illinois and GE seems to have a thing for Chicago lol. The oddest part? It's a single door Powr/Door! So this could be a M-250R1 Powr/Door light lol. It's not referenced to as a Powr/Door though. You can see the catalog # is different than a typical M-250R1 though it uses the same instructions sheet (GEH 2887) as the standard M-250R1.
It's listed for 70/90W lamps and the ANSI code is S54, which is 100W HPS. Any idead guys? Should I use a 100W HPS lamp, a 70W HPS lamp? And a 90W HPS lamp? Huh? Is this a LPS/HPS fixture?
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I contacted GE, hoping they can shed some light in this unique M-250R1 incarnation. The ballast is mounted to the door and it had plugs just like a powr/door but it's a M-250R1! O_O So cool! Even Joe Maurath has never seen anything like this.
I wonder what would happen if someone were to screw in a 70W HPS with the ballast connected at the 70W level? Would the lamp operate normally or would that be bad for the lamp or ballast? I thought HID lamps had to warm up fully before they could be dimmed or is HPS an exeption to that rule?