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OV-25 label.
Anyone know the date? the letters are "JE"

Well here are the specs, 400 watt MV.. The other was missing the label but at least this one had it.
Keywords: American_Streetlights

OV-25 label.

Anyone know the date? the letters are "JE"

Well here are the specs, 400 watt MV.. The other was missing the label but at least this one had it.

DSCN7285.jpg DSCN7357.jpg DSCN7499.JPG DSCN7482.JPG DSCN7552.JPG
File information
Filename:DSCN7499.JPG
Album name:Lil'Cinnamon / My Lights
Keywords:American_Streetlights
Filesize:1136 KiB
Date added:Jan 23, 2012
Dimensions:3000 x 2250 pixels
Displayed:74 times
AF Focus Position:Top
Adapter:OFF
Color Mode:COLOR
Color Space:sRGB
Contrast:0
DateTime Original:0000:00:00 00:00:00
Digital Zoom:1x
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/30 sec
FNumber:f/3.3
Flash:Compulsory Flash
Flash Setting:NORMAL
Focal length:6.3 mm
Focus Mode:AF-S
ISO:100
ISO Selection:AUTO
ISO Setting:0
Image Adjustment:AUTO
Light Source:Unknown: 0
Make:Nikon
Manual Focus Distance:0 m
Max Aperture:f/3.2
Model:COOLPIX S51
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=10447
Favorites:Add to Favorites

Comment 1 to 8 of 8
Page: 1

streetlight98   [Jan 23, 2012 at 10:26 PM]
i'd guess sometime in the 70's going by the PC receptactle position....
LilCinnamon   [Jan 24, 2012 at 01:42 AM]
Thanks to THIS TOPIC In lighting gallery I found out that this is from September 1971. Surprised it is that old! Especially for the condition. The inside of the door may be very dirty but still.
GullWhiz   [Jan 24, 2012 at 06:23 PM]
Also this is a Regulated Output type ballast
streetlight98   [Jan 24, 2012 at 07:23 PM]
What kind of ballast is that? Similar to CWA or CWI?
Silverliner14B   [Jan 25, 2012 at 12:33 AM]
Regulated output ballast is more like a CWI, no autotransformer style connection between the two coils.
joe_347V   [Jan 25, 2012 at 01:39 AM]
How many different types of HID ballast circuits are there, I know HX, R, and CW ballasts are the most common.

Oh and I've never heard of regulated output before. Is it related to regulated lag?
A_lights   [Jan 25, 2012 at 04:09 AM]
I'm also wondering what joe is too
And how is CWI ballast life and lamp life?
LilCinnamon   [Jan 26, 2012 at 01:59 PM]
I am just glad this was wired for 120 volts. It also works on 240 volts as the label here says.

I am glad it works too. I wonder how long this will last, it sure has lasted since 1971, I Bet it will last even longer

Comment 1 to 8 of 8
Page: 1