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Re: Led's

Posted By: James1095
Date: Wednesday, 3 March 2010, at 1:08 p.m.

In Response To: Re: Led's (Don Miner)


> The gas company I deal with, left me some
> propane the other day, and I noticed their
> taillights on the truck had some led's out.
> They had them installed last summer. Some
> safety feature for a gas truck, huh? I have
> been seeing traffic lights out everywhere,
> for several months. The 130 volt incandecent
> bulbs used to last for years, so where are
> the savings? Who ever came up with this led
> thing being the magic cure-all must have
> been a politician. Peace, Don

In all fairness, the incandescent traffic signal lamps are replaced yearly in red & green sections, and every 2 years in amber. Good LED traffic signal units are good for 10 years, although quality varies, and the power consumption is roughly 1/10th that of incandescent with great savings in maintenance cost as well. A city near me retrofitted two major intersections as a trial about 10 years ago and saved $10K per year in energy cost.

At least this particular application is not displacing much neon.


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