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Led (GU10) lamp holder

By yvest

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yvest

about 8 years

@Groaker, thanks for your comments and indeed those LED light bulbs do generate quite a lot of heat. I originally bought them to be fully enclosed in the ceiling but while taking the necessary measures for my new design, I noticed how hot they could become. As such I went for a more open design where the lamp is enclosed for less than 20% or so. As such, I do think (hope) it gets enough airflow.

Groaker

about 8 years

LED light bulbs seem to have a tremendous issue with heat. I have had some name brands die in as little as four hours. Current flow increases with heat, and heat increases with current flow. This sets up a positive feedback cycle in ceiling enclosures. At the cost of these bulbs one would think that a constant current circuit would be part of the design. This does not happen when the lamps can be cooled by an adequate airflow. Be sure to leave holes in the shroud for ventilation.