Quote:
Originally Posted by extrashaky
Those large lamps do in fact have heat sinks on them. As long as they have air circulating around them to take away the heat, they're fine.
Problem comes in when you put them in a drop ceiling or other enclosed space and don't allow for the heat. You have architects who used to allow for the heat from fluorescent ballasts who now think the LEDs don't produce any heat, so they don't provide for air circulation. They raise the drop ceiling too high or call for the fixtures to be mounted flush against surfaces, where the heat has nowhere to go. Then you get fixtures cooking themselves and failing, and everyone wants to blame the PE who told them all along that they can't do that.
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Yup here's a good example:
[ame="https://www.youtube.com/watch?v=mBASHBvrMC0"]LED Lighting System - Jay Leno's Garage - YouTube[/ame]
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