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5935 4th Ave S. Seattle WA, 98108  -  (206) 767 5334
Open Monday - Friday 7:00am - 4:30pm PST

Why is my lamp turning black?

Why is my lamp turning black?

Is the lamp over cooled? Direct airflow on the bulb can cause the lamp to turn dark. Minimize cooling to match equipment design requirements.

Toward the end of a lamps life some black is normal as the exhausted filament collects on surfaces.


For more information about lighting, contact Pacific Lamp.