I installed four LED overhead ceiling "can" lights. Three are grouped on a single switch with an LED approved dimmer and the fourth one is on a separate three way switch, also with LED dimmer and on a different power line. All of them, on both switches hesitate a quick second and then flash once on and off before settling into being turned on. Once on, they perform normally and dim effectively but they always do the flash when starting up unless you turn them off and right back on, then they come on without the flash. I read online that there are many issues with consistency of performance in LEDs and dimmers. I don't like the flash but I can live with it. That is unless this indicates a danger which must be addressed?
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