Author Topic: Question  (Read 4620 times)
mr_big
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Question « on: January 16, 2007, 10:29:09 AM » Author: mr_big
Which is more popular where you live for streetlighting where you live MV, HPS, LPS, MH, just being curios ;D for me MH is more common for streetlights then HPS but there is still a lot of HPS here
« Last Edit: January 16, 2007, 05:46:18 PM by mr_big » Logged
TudorWhiz
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Re: Question « Reply #1 on: January 16, 2007, 10:49:24 AM » Author: TudorWhiz
Good question to ask!!! I am also curious too!......

For me its very mixed of Mercury Vapor and HPS........in the WHOLE electric company I use is 60% Mercury Vapor and 2nd more HPS then its MH..... (thati s for BGE OWNED streetlights...not the store owned parking lot lights...)

Whole Maryland mostly has mercs on wooden utility poles while more HPS on metal poles..........
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Raphael
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Re: Question « Reply #2 on: January 16, 2007, 11:03:14 AM » Author: Raphael
You forget CFL.

In my city it is HPS and CFL. It was LPS, MV and FL.
 
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dp
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Re: Question « Reply #3 on: January 16, 2007, 02:42:33 PM » Author: dp
In my area, the Duquesne Light service area still has plenty of mercury vapor lights in service in the suburbs but replacements are now high pressure sodium only. 

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dp
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Re: Question « Reply #4 on: January 16, 2007, 05:04:11 PM » Author: dp
Well on the work database, it shows the percentages of lamp usage in the different towns the depot covers. It shows that my hometown has 76% of LPS\SOX, 10% HPS, 9% MV and 5% CFL. No metal halides are used in my hometown as of yet.
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Santaarnpaal
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Re: Question « Reply #5 on: January 17, 2007, 04:47:46 AM » Author: Santaarnpaal
In the past Fluorescent (50ties and 60ties), MV and LPS.

In the seventies, eighties MV, LPS, Circline fluorescent and HPS (eliptical coated bulbs)

In the nineties and to today: CFL, HPS (tubular clear ones) and still new LPS installations and the appearing of Ceramic metalhalide lamps.

All the fluorescent lanterns are disappeared besides a hand full of posttops with circline fluorescent in it. A few streets with MV still remain.
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Semi-Comma
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Re: Question « Reply #6 on: January 17, 2007, 02:10:17 PM » Author: Semi-Comma
Mostly HPS all over Valparaiso, IN (where I live) and most of Northwest Indiana (at least, from what I've seen). Decorative fixtures are sometimes metal halide or CFL.  There is one really cool exception, in Hammond, IN, where a lot of the streets are lit by LPS/SOX, and it's rather beautiful. Any mercury vapor fixtures out here are almost always NEMA heads used as yard lights.
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