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T&B 113 Located in Westfield, MA. This Fixture is a 250 Watt HPS fixture that originally had a Acrylic M-250R2 lens in it but after years of high heat it melted so they Replaced it with another acrylic lens. So in a few years they will hve to just replace it again. Keywords: American_Streetlights

T&B 113

Located in Westfield, MA. This Fixture is a 250 Watt HPS fixture that originally had a Acrylic M-250R2 lens in it but after years of high heat it melted so they Replaced it with another acrylic lens. So in a few years they will hve to just replace it again.

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File information
Filename:007~5.JPG
Album name:Antstar85 / New England Lights
Keywords:American_Streetlights
Company and Date Manufactured:T&B
Model Number:113
Wattage:250
Lamp Type:HPS
Filesize:181 KiB
Date added:Sep 24, 2011
Dimensions:1280 x 960 pixels
Displayed:61 times
Color Space:sRGB
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=8539
Favorites:Add to Favorites

Comment 1 to 11 of 11
Page: 1

streetlight98   [Sep 24, 2011 at 10:37 PM]
some people are just plain dumb. Confused Rolling Eyes
Form109   [Sep 24, 2011 at 11:08 PM]
the highest wattage i would use Plastic Lenses with is 175...even then i feel kinda sketchy about them but 250 Watts?!
streetlight98   [Sep 24, 2011 at 11:12 PM]
I'd say 150w MAX. 175 can be too much sometimes.
joe_347V   [Sep 24, 2011 at 11:24 PM]
I'd say just avoid using plastic lenses, my area is 99% glass even for 70w HPS lights.
streetlight98   [Sep 24, 2011 at 11:32 PM]
In ideal situations, yes i think glass is better. It can withstand heat, lamp explosions, and it has a longer service life. Plastic is OK though on small wattage fixtures. i'd personally only use plastic on 50-150w HPS fixtures. If the MH lamp goes boom, the plastic is doomed.
mercuryvaporrocks   [Sep 25, 2011 at 12:13 AM]
250 watt HPS streetlights should only have glass refractors.
gailgrove   [Sep 25, 2011 at 12:15 AM]
200 watts and up - only glass, under 175 watt could have plastic lenses but glass is better.
streetlight98   [Sep 25, 2011 at 12:18 AM]
i wouldn't use plastic on any metal halide fixture (exept CMH) because I'd fear of the refractor melting.
Antstar85   [Sep 25, 2011 at 01:07 AM]
All our metal halide fixtures my company installs have glass lens.
streetlight98   [Sep 25, 2011 at 01:51 AM]
GE only allows glass for MH. AEL allows polycarbonate and glass, and Cooper allows acrylic, poly and glass for MH.
Form109   [Sep 25, 2011 at 02:34 AM]
i recall seeing an Exploded 400 Watt CMH on some forum...so i think CMH explosion risk is low but dont rule it out.

Comment 1 to 11 of 11
Page: 1
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