Incadescent Vs. LED

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Incadescent? or LED?

Incadescent
14
50%
LED
8
29%
There cool just as long as there making sure nobody gets killed
6
21%
 
Total votes : 28

Re: Incadescent Vs. LED

Postby TommyBNSF » Thu Feb 17, 2011 4:51 pm

I actually saw UP LED's fade once in Wilmington. http://www.youtube.com/watch?v=eMLKy1LsR2c
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Re: Incadescent Vs. LED

Postby bnsflover » Thu Feb 17, 2011 5:18 pm

These did not fade, these actually NEVER turned off.

Nice voiceovers, though! :TUP2:
Last edited by bnsflover on Thu Feb 17, 2011 5:20 pm, edited 1 time in total.
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Re: Incadescent Vs. LED

Postby TrainmanKight » Thu Feb 17, 2011 5:20 pm

Smjh1979 wrote:Not exactly. Mixtures occur very often with crossings. The light frames are WCH, but the LEDs are from UP. Very unusual... I could've sworn they looked like Safetran fading... Very unusual. Looks like that's one of UP's LEDs gone wrong...

A lot of Up L.E.D.s fade out here got to be one of my top favorite light behind the ball led
I've also seen leds not turn off, a pair of safetrans in granite city do that
also I still prefer Incandescents over l.e.d.s
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Re: Incadescent Vs. LED

Postby Smjh1979 » Thu Feb 17, 2011 7:34 pm

I wonder if it was something wrong with the flasher relay? I've seen situations before where one light won't shut off in the past.
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Re: Incadescent Vs. LED

Postby bnsflover » Thu Feb 17, 2011 8:44 pm

No, it is kind of hard to explain. The lights flashed, but the one that was not supposed to be on was dimmed.
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Re: Incadescent Vs. LED

Postby TrainmanKight » Thu Feb 17, 2011 10:25 pm

Smjh1979 wrote:I wonder if it was something wrong with the flasher relay? I've seen situations before where one light won't shut off in the past.

I dont think its the rely but something like a resistor in the led itself that causes the lights to do that
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Re: Incadescent Vs. LED

Postby McK&H.Aust » Fri Aug 19, 2016 1:48 am

bnsflover wrote:No, it is kind of hard to explain. The lights flashed, but the one that was not supposed to be on was dimmed.


I know of a crossing in Australia that does a similar thing, but you can only see it at night. It had old incandescent lights but was upgraded with new LED lights a few years ago, the same lights are on lots of other crossings and none of them have that problem. I think the crossing still has the old mechanical flasher relay, because when the lights start up the first couple of flashes are faster and then it settles down to the normal flash rate. The flash rate is not even, one light stays on longer than the other but both lights never completely go out (just very dim) until the crossing shuts off. I think it could have something to do with the old relay, somehow there is still a small amount of current getting through when the light is meant to be off.
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Re: Incadescent Vs. LED

Postby TrickyMario7654 » Fri Oct 21, 2016 7:34 pm

Doesn't really matter for me. I've even seen crossings which use both Incandescent and LED lights!
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