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M-250A2 FCO
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Yep. These are common around here on 6' cantilever brackets as seen here. This one's 100w MV like pretty much all of the M-250A2 FCO here. There was another one of these two poles down the road, but it was replaced by a 50w HPS M-250R2 a few years back.
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I'm actually really looking forward to seeing what kind of mast arms Providence, Cranston, and other soon-to-be LED cities will use. NGrid has mostly just stuck with the 2" HAPCO 6ft upsweep arms, with the occasional used tapered elliptical or truss arm reused (I've seen new truss arms used in Massachusetts though). I'm also interested to see what Providence and other cities with underground utilities will use to replace knockdowns for their metal poles.
Instead the state said "Don't wanna offer us LEDs? Fine, F*** you! We're going to own the lights now!"
I actually find it weird that NGrid doesn't already use disconnects on all their lights. Would make it a lot easier to shut off power to the light for service, but I guess shutting the power off would only be necessary if the fixture needs to be replaced, which isn't always the case with HID but likely will be with LEDs unless the PC is a dayburner. Not much you can do to fix an LED street light other than replace the driver, but the technology is advancing so fast that odds are, when the driver fails in 5 years you won't be able to buy the same driver. Not that places would bother with the effort anyway, but at least with HID the ballasts and lamps are all standardized.