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Wheeler Reflector Co Crescent Moon Installed!
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Here it is installed with a Sylvania 150W A21 incandescent lamp I bought at Lowe's today (bought three actually). they're rated for around 2700 lumens, which is way more than this would have actually use originally. This would have originally had a 1000 lumen lamp (92W 12000HR) or a 189W ~2000 lumen lamp. I chose the 150W lamp because 100W lamps are a little hard to find, plus I wanted an A21 rather than A19 since it's a little closer to the original A23 or PS25 lamps that would typically be used in these.
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No you gotta use clear lamps in these (so no CFLs, no LEDs) or else the optics get messed up.
How about a clear filament LED lamp?
@ xmaslightguy: I'd totally use a ~1000L clear LED filament lamp if I could find one with a A21 or A23 envelope and all-glass. Would look awesome.
We are upgrading to LED now, there is one municipality that still wants HPS but otherwise if it's defective it is upgradedd to LED. Be it MV or HPS. Our set up is very similar but we maintain both utility owned and municipality owned lights. Generally lights on our poles are not fused, however generally all underground fed lights are fused. We use a 15A inline fuse though.
Around here they would relamp incandescents until the 90s but if the fixtures were damaged or whatnot they were either replaced with MV or HPS.
When towns want to go LED here, they have to pay $1 per light fixture (regardless of age) and that $1 gives the town/city ownership of the light and mounting arm (or in the case of metal poles, everything past the splice in the manhole beside the pole, but metal pole lights I assume would cost more than the $1 wood pole lights). The idea behind the $1 was the original cost of the lights less depreciation. Once the lights are installed, the utility here places no value on the light. Just like driving a brand new car off the lot. It could be two days old but it's not worth anything anymore (in the case of cars the value is semi-retained but for lights, they utility company treats a month-old light like a 50 year old light).
We still relamp our remaining incandescents, but as I originally stated, their days are numbered.
Toronto had incandescent streetlights in parts of the downtown core until the mid 90s, when they replaced them all with metal halide. They used new MH gumballs for the replacements so the lights still looked like the incandescents they replaced. Curiously a lone incandescent gumball survived to 2016 when it was replaced with a MH gumball.
Toronto still uses high pressure sodium outside of the downtown area but the outer suburbs went to LED in 2013-2017.