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3m LEDs Keywords: Lamps

3m LEDs

2016-11-22_072014.png 2015-03-19_143546.png IMG_20120723_201407.jpg HPIM8138.JPG HPIM9220.JPG
File information
Filename:IMG_20120723_201407.jpg
Album name:traffic light1 / My Traffic Lights
Keywords:Lamps
Filesize:721 KiB
Date added:Oct 28, 2012
Dimensions:3000 x 2250 pixels
Displayed:70 times
Color Space:sRGB
DateTime Original:2012:07:23 20:14:06
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Unknown: 0
Exposure Time:33/991 sec
FNumber:f/2.8
Flash:Flash
Focal length:4.4899 mm
ISO:100
Light Source:Unknown: 0
Make:Lg Electronics
Max Aperture:f/1.7
Model:p999bn
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=13572
Favorites:Add to Favorites

Comment 1 to 8 of 8
Page: 1

joe_347V   [Oct 28, 2012 at 08:40 PM]
Hmm, are all your 3Ms LED or do you have any incandescent ones.
traffic light1   [Oct 28, 2012 at 08:49 PM]
Most are LED.
streetlight98   [Oct 28, 2012 at 08:57 PM]
I heard the LEDs weren't very popular due to the price and poopr worksmanship. Do these seem okay or are they aort of junky as well?
traffic light1   [Oct 28, 2012 at 08:58 PM]
The LEDs for the 3ms are the best!!! Very Happy
basilicon89   [Oct 28, 2012 at 09:12 PM]
The photocells in the 3M/McCain heads need to be disconnected or the LED will flicker and eventually burn out from improper voltages being forced through the digital circuit. They run fine but it eats up alot of man hours going out and rewiring the heads. 3Ms are not very service friendly which is why most are being taken out of service. They were also expensive which is one reason why 3M got out of the traffic business
rlshieldjr   [Oct 29, 2012 at 06:02 AM]
Who makes these, we have ElectroTech and the greens flicker as they get older. And yes the PC-dimmers are bypassed.
traffic light1   [Oct 29, 2012 at 10:54 AM]
Leotek T05R-A0-6100 Red LED
traffic light1   [Jun 26, 2014 at 01:30 PM]
Had LEDs on for 5 years now with no problems....... They work good!

Comment 1 to 8 of 8
Page: 1
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