Posted by PJH on January 20, 2011 at 12:25:36 from (71.171.215.42):
In Reply to: Light bulb laws posted by Jg20601 on January 20, 2011 at 08:40:54:
We were putting in LED traffic signals 12 or 13 years ago. Started out with the red lights only. They were originally installed for the battery powered red flash circuit that is used during power outages. I see a lot of signal systems that are now entirely LED.
I don't understand the giant snow and ice balls. I've seen snow covered lenses in both LED and incandescent systems, but my observations are limited to Southern Illinois.
I use a lot of CFL's around here. I took out all of my old flourescent fixtures that I had in the shop. Some wouldn't light if it was cold, some wouldn't light if it was hot, and some wouldn't light. Seems like I had to go around and stroke each fixture to make it come on.
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