These lamps (60W A15 LED Relax) are not dimmable, although they are marked as "dimmable". I used them to replace a previous LED bulb that worked fine. When the dimmer is turned on, this bulb will shine almost to full power, going out completely for a moment and then flashing back to full power. This appears to give a brief but bright flash, which is distracting and unacceptable in a prominent spot like my ceiling fan. Unfortunately I got the brand name (GE) thinking it was better than a regular lightbulb, but it's worse. Other regular dimmable LED bulbs work great in the same spot, so it's not the dimmer or the fixture that's the problem, it's the bulb itself.
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