Revisions log for Answer #3220
This is the answer to the question Why do the LED strips glow a little, even when they are turned off?
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2022‑11‑19 17:25
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This is commonly referred to as the "firefly" effect.
This is a very common anomaly in LED lighting, especially LED strips.
It does not depend on whether the phase is correctly disconnected or not, whether the switches are switched or not.
The slightest residual load causes a "firefly" effect.
It is very common among electricians to solve this problem by connecting a small, inexpensive device in parallel in front of the LED strip (electronic component capacitor).
Some DIY centers sell these directly as an addition to the installation to avoid this effect.