100% Satisfaction Guarantee, If you don't love it, you don't pay for it!

Why my LED string light is blinking?

Why my LED string light is blinking?

Have you installed LED string lights in your home? If your answer is yes, then congrats on having the best type of lighting! Yes, it is true that LED string lights consume 75% less energy than standard bulbs and provide the most flexibility in lighting. Additionally, they have significantly longer life spans. However, you may occasionally become irritated when your LED string lights begin to blink. We will discuss how we can make our LED string lights flicker. Moreover, we will explain why this problem occurs and how to resolve it in this blog. Continue reading to find out.


What is the best way to make LED Christmas lights blink?

You'll need to determine whether your Christmas lights are wired in a parallel configuration or in a series configuration before you can figure out how to make LED Christmas lights glitter.


What is the difference between parallel and series lights when it comes to lighting?

Simple series wiring means that all lights are connected to a single circuit, and if one goes out, the rest follow. This is a popular method of hanging string lights since it is inexpensive and straightforward.

Parallel wiring means that each bulb is connected to its secondary circuit; therefore, removing one does not affect the others (although it will still affect the voltage they get, that is beside the point). Parallel wiring makes light strings more expensive but also more ordered and easier to use.

You may also combine the other two options to create a parallel string of smaller series. A few bulbs removed here and there won't affect the whole string, but they will affect the smaller series.

So, what does this mean? Because putting flashing LED Christmas lights together is the easiest way to make a blinking LED Christmas light.


Bulb types: blinking vs non-blinking

A string of Christmas lights will generally include at least a few more lights in addition to the string itself. However, it should also have two different sorts of lights — one that blinks and one that does not blink. The non-blinking (or "normal") bulbs do not have any distinguishing markings on their surfaces. The tips of the blinking lights, on the other hand, should be either red or silver in color.

For this reason, if your Christmas lights aren't blinking and you'd like them to, you should follow these steps.

  • Please turn off all lights and remove them from the power socket.
  • Remove any bulb and reconnect the lights to the electrical socket to determine if the wiring is in series or in parallel with the bulb. If all of the lights went out, it indicates that it is part of a series. If only a few people did it, it would be similar to a mini-series. The latter scenario necessitates the repetition of step 2. Continue this process several more times until you have located all of the separate sets of lights contained inside the wiring. And then there's this:
  • Replace a non-blinking light in each series of lights with a blinking light to complete the circuit. This will cause all the other lights in the series to blink in sync with the blinking light in question.



What are possible reasons that make them blink?

The most common reasons why LED string lights continue to blink are as follows:

Listed below are the five most common reasons why your LED string lights are flickering, along with suggestions on how to resolve the issue:


Inadequate Power Supply for the Lighting System

The LED string light may require a specific amount of power to operate, and your transformer may not be able to supply this power at the appropriate time. The LED driver or power supply has been selected incorrectly in this situation. It has the potential to cause damage to the string light's components.


What should I do to fix it?

Verify that the LED string light consumes a sufficient amount of power and that your LED power supply can safely supply power to all of the LED strings connected to the transformer.


Unsatisfactory Connection

The lighting cables that connect the LED string lights to the power supply are frequently improperly connected. Due to the intermittent breakage of the circuit, it causes interference with the proper functioning of the lights.


What should I do to fix it?

Check to see that the cables connecting the power supply to the LED string light are appropriately connected and are not frayed or frayed. You might also think about soldering the connections in place to prevent them from moving around.


The voltage of LEDs has dropped.

Your LED string lights may be flickering as a result of voltage fluctuations. For any electrical appliance, including string lights, to operate smoothly, it must have a constant voltage source connected to it. Whenever the voltage drops, the entire length of the string will flicker, and the brightness of the string will decrease, for whatever reason it happened.


What should I do to fix it?

Numerous approaches can be used to control voltage drops. The shortest possible length of wire should be used whenever possible, and this is perhaps the most effective method. As an added precaution, make certain that the power source is connected somewhere near the center of the strings.


Running on a continuous basis.

Another primary reason LED string lights begin to blink is that they are used continuously. On occasion, you may wish to leave the lights on for a few consecutive hours. It can significantly reduce the voltage that the string receives, which can result in flickering and dimming.


What should I do to fix it?

In this particular instance, the answer is self-evident. Avoid leaving the lights on for extended periods at a time. Allow them to take a break every few hours or so. Because excessive run times cause the voltage to drop, you can also resolve the issue by following the recommendations in the preceding section.


String Lights That Have Been Damaged 

Many things can damage LED string. Both water and dust are potential causes of light bulb failure in this situation. When a circuit is damaged, the circuit is broken, and the lights begin to flicker.

What should I do to fix it?

If your lights are frequently blinking and you've checked all of the other possible causes, check to see if lights are damaged or broken. Keep them away from water and clean them regularly to get rid of any dust accumulated on them over the years.


Is it safe to use my string lights when they blink?

We all have them in our homes, and we love to use them as decor and see them shine brightly during the holidays! String lights, which are also called Christmas lights, are what we will talk about in this article. The most important things to think about when it comes to fairy lights are their safety and how dangerous they can be.

String lights are safe and won't start a fire most of the time. On the other hand, String lights still have a very small chance that they could overheat and start a fire. You should turn off string lights when you go to bed or leave your house.


The Science and Technology Behind String Lights

These range from simple light strands (also known as Christmas lights) to full-blown animated tableaux with complex illuminated animatronics and statues. This is a highly complex electrical installation that requires meticulous planning.

String lights are strands of electric lights used to decorate homes, public/commercial buildings, and Christmas trees. They are one of the most widely used types of Christmas lighting worldwide and come in many colors.

String lights come in an array of configurations and colors. In Chicago, the small, so-called "midget" bulbs that are commonly known as string lights are also known as Italian lights.

Also, the lamps used in string lighting vary considerably, reflecting the wide range of modern lighting technology available today. There are two main lamp types: incandescent and, more recently, light-emitting diodes (LEDs). Conversely, neon lamp sets are rare. Fluorescent lamp sets were manufactured in the mid-1940s.

Incandescent string lights are notoriously difficult to troubleshoot and repair, which is why their popularity has dwindled in recent years, despite their availability. In the 1950s and 1960s, a single failed bulb in a series circuit light set rendered the entire set dark.

As a result, mini-lights now come with shunts, which allow them to work even when a bulb is out. The string, however, can fail due to multiple bulb failures or a faulty shunt. To fix this, either replace each bulb with a known-good one or use a test light to find the voltage drop.

When Christmas light manufacturers used LEDs, the colors were initially dull and uninspiring compared to older models with bright colors. The white lights, typically single-chip LEDs, had a faint yellowish glow, making them appear cheap and unattractive. This has been addressed and corrected recently.



In the first section, we discussed how to make led string lights blink and concluded that grouping flashing LED Christmas lights together is the simplest way to create blinking LED Christmas lights. The following section discusses the causes and effects of blinking. We've concluded that multiple factors contribute to the blinking of LED string lights. Several of them include low voltages, excessive usage, and broken lights. We discussed which technology is appropriate for these lights in the concluding section of this article.





How Christmas lights work. (2000, April 1). HowStuffWorks. https://people.howstuffworks.com/culture-traditions/holidays-christmas/christmas-lights

How to make led Christmas lights stop blinking. (2021, July 16). How To Discuss. https://howtodiscuss.com/t/how-to-make-led-christmas-lights-stop-blinking/60688

Why are my LED strip lights blinking? (2021, April 27). LED Lights Unlimited. https://ledlightsunlimited.net/2021/03/15/led-light-blinking-causes/


Leave a comment

What are you looking for?

Join Our Mailing List

Stay Informed! Monthly Tips, Tracks and Discount.

Your cart