Low voltage LED lamps require a stable and clean input voltage. The old halogen lamps did not have such high demands on the quality of transformer output. An unclean and fluctuating output voltage on the transformer can cause the LED lights to flicker.Click to see full answer. Also know, how do I stop my LED lights from flickering? Summary – How to stop LEDs flickering Always drive LED products using an LED power supply that’s designed for the job. Make sure all your LED products are compatible with the control circuits and power supply you’re using. Check for loose wiring and other faulty connections. Consider using a constant-current LED driver. Also, why do 12 volt LED lights flicker? LED flicker used to be a common problem. This was because – unlike incandescents, halogens and fluorescents – LEDs have no persistence. When the power supply to an LED is switched off, the light output stops instantly. This is because we don’t connect the LEDs directly to the mains supply anymore. Additionally, is it dangerous if your lights flicker? Loose wiring is the most serious reason for flickering lights and a main cause of house fires. It’s never a good idea to ignore a lighting or electrical problem. If you notice your lights flickering, always investigate, and if you can’t find the culprit or the problem persists, call an electrician.What do flickering lights mean spiritually? Flickering Lights Spiritual Meaning: Powerful Aura Lastly, flickering lights can be a sign of the presence of a powerful aura. In a way, the cosmic energy inside a room could be considered its aura. Usually, it is not seen this way, though.