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Hey--thats not up to code...... Yes. It is live. Keywords: Traffic_Lights

Hey--thats not up to code......

Yes. It is live.

100_0345.jpg S-HS50.jpg IMG_0520.JPG 2016-11-22_072014.png IMG_20120825_153917.jpg
File information
Filename:IMG_0520.JPG
Album name:basilicon89 / 2011 Detroit Area Traffic Meet
Keywords:Traffic_Lights
Filesize:1257 KiB
Date added:Jul 27, 2011
Dimensions:3000 x 2250 pixels
Displayed:211 times
Color Space:sRGB
DateTime Original:2011:07:22 19:05:52
Exposure Bias:0 EV
Exposure Mode:0
Exposure Time:1/125 sec
FNumber:f/4
Flash:No Flash
Focal length:6 mm
ISO:80
Make:Canon
Max Aperture:f/2.8
Model:Canon PowerShot SX100 IS
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=7567
Favorites:Add to Favorites

Comment 1 to 12 of 12
Page: 1

Form109   [Jul 27, 2011 at 03:50 AM]
yeah that's real safe. Rolling Eyes
joe_347V   [Jul 27, 2011 at 03:54 AM]
Shocking isn't it, hope someone doesn't get Hertz Rolling Eyes
A_lights   [Jul 27, 2011 at 01:13 PM]
60 times to get hertz in every second! Shocked
lightkid   [Jul 27, 2011 at 07:43 PM]
What happened here did a snow plow hit it or did a street light walked away .
streetlight98   [Jul 27, 2011 at 11:23 PM]
Copper theives??? Mad
basilicon89   [Jul 28, 2011 at 02:31 AM]
vandalism is correct. don't know how far that can get. the streetlighting is run on 69kV (yes, 69,000 volts) and run in series. Something I did not know but learned last weekend
streetlight98   [Jul 28, 2011 at 04:52 PM]
That's high voltage. Shocked Here the streetlights run off 120 volts.
joe_347V   [Jan 26, 2012 at 04:45 AM]
I guess Detroit is still using series wiring with a isolation ballast in the pole then? Shocked

Over here our lights are all multiple and run on 120, 240, 347, or 600v.
gailgrove   [Jan 26, 2012 at 11:53 AM]
69 kV? Shocked I've never heard of that high a voltage being used for streetlighting...
mercuryvaporrocks   [Jan 26, 2012 at 12:41 PM]
The older mercury vapor streetlights in Pittsburgh had series wiring with isolation series ballasts in the pole bases also, they were probably 6 amp transformers which were standard for 400 watt mercury vapor streetlights.
GullWhiz   [Jan 26, 2012 at 01:55 PM]
I know Detroit does have older setups with series setups which uses very high voltage....but 69 kV? Question
A_lights   [Jan 26, 2012 at 02:53 PM]
That could explain why I see a Groups of them not working at night here and there, series is pointless and not as reliable as well as high voltage Shocked

Comment 1 to 12 of 12
Page: 1
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