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Can LEDs Spontaneously Combust?

Can LEDs Spontaneously Combust?
I'm sure you have heard some stories concerning LED lights, such that they can survive for more than ten years. However, while this may be true, LEDs are electrical devices, and no electrical device is invulnerable to damage.
Even though most LED bulbs will progressively degrade over time, catastrophic failure is possible and has occurred. Therefore, let us examine the practical implications of this. Do LEDs have a high risk of exploding?
It is sporadic that LED lights may catch fire or explode. While thermal and electrical stress can be created by voltage surges, malfunctioning capacitors, and inadequate heat management, this is highly unusual and can result in the explosion of LEDs.
Explosions are frightening in any situation, but especially so when children or pets are around. I understand if you're concerned about your LED bulbs exploding; I'm afraid of that too.
If you've recently learned about LED bulb explosions or are curious about why they occur, this article is for you. Continue reading to learn what causes LED outbreaks, whether LEDs provide a fire hazard, why extra caution is required when using LEDs in enclosed fixtures, and many more about LED lights.


What is the response time of LED lights?

'Instant on' is a marketing term for LED light bulbs, claiming they will reach their maximum brightness right away when turned on. Compared to other low-energy options, such as CFLs, an LED light bulb rapidly comes to its full brightness when turned on.


What Is the Probability of an LED Explosion?

A minimal chance that an LED bulb will explode, as I said, but it is still possible. How rare is it?
There were a lot of different types of bulbs that exploded when they got too hot in the past, like incandescent, fluorescent, and halogen ones. This is how these bulbs make light: They put an object inside a glass vacuum and shine it out into the world, making it bright.
In this case, too much heat causes the sealant to melt around the bulb's base, allowing gas to leak outside. So, the bulb bursts.
Please do not do this because LEDs don't have a semiconductor that makes them light up. LEDs don't burst when they get too hot or stressed.
Most LEDs use between two and four volts of electricity to work. People usually get 120V when they plug something into their wall.
There is a capacitor for LEDs, on the other hand, that helps in keeping the voltage down to a level that we can use later. There is much stress on the capacitors for this to be done right.
The more stressed you are, the more likely you will make a mistake.
Sometimes a capacitor will unintentionally let all of its power pass through, causing the LED's power to be distributed across the circuit. Here, no matter how long the LED is on, it will explode.

What are the disadvantages of purchasing inexpensive LED lighting?

People who purchase low-cost LED lights are more prone to have this problem since their low-quality materials are incapable of withstanding voltage fluctuations. Electrical Overstress is the term used to describe this (EOS).
LEDs are also prone to bursting as a result of excessive heat. As you're probably aware, LEDs despise being exposed to heat, which is why most lights incorporate a "heat sink."
A more significant amount of thermal energy is produced when an LED is overdriven with an excessive amount of electrical current. Because of the thermal energy, elements of the LED fixture expand, resulting in pressure building up inside the bulb.
If the heat is not dissipated correctly, it will degrade and eventually damage the bulb's components. This will cause the circuit to be shorted and the bulb to explode.
The material components of the bulb may begin to decay and break if the heat is not dissipated. A short circuit will eventually occur, resulting in the explosion of the bulb.


Can a sound that "pops" be classified as an explosion?

In most cases, people think of an explosion as a massive bomb with smoke and flames coming out of it. But in the case of LEDs, they are different.
This happens when an LED gets too hot or too cold. There will be a loud "popping" sound and broken pieces flying around the room. It's like much pressure builds up until the LED can't handle anymore. It takes both sound energy (the popping sound) and kinetic energy to get the bulb to blow.
On the other hand, LEDs are made of shatterproof glass or epoxy resin, making them safe. This happens when an LED explodes. When a light bulb breaks like this, it will not break into a million tiny, sharp pieces like glass usually does.


There are two positive aspects to this:


  • LEDs that have exploded are easy to clean up (excellent!)

  • They are significantly safer.

However, can this popping sound indeed be classified as an explosion? Yes, I will explain it in the later section of this article.

According to one site, an explosion is defined as 'the act or instance of exploding; a forceful expansion or bursting with noise,' which precisely occurs when pressure builds up inside an LED.


Is it possible for LED lights to cause a fire?

Was it ever brought to your attention that 'lamps, light fixtures, and lights' account for 15% of all house fires in the United States?
With such ominous statistics, it's understandable that you'd be concerned about the risk of LEDs igniting fires.
A straightforward explanation is that the likelihood of LEDs catching fire is relatively minimal.
Even though LEDs generate heat and can be rather hot to the touch, the quantity of heat they emit is significantly less than the amount required to ignite a fire. Then again, it is imperative to be careful when working with cheap LED lights.
According to a poll conducted by the BBC in 2014, 76 percent of the products tested failed to meet European Safety Standards and were classified as unsafe.


Does it make sense that the use of LEDs in enclosed fixtures can cause an explosion?

Another area in which it is prudent to approach with caution is the field of enclosed fixture installations.
An open-air fixture is the opposite of a fixture that is inside. When you look at it this way, the light source is inside a glass or plastic container that doesn't let any air in or out. Outdoor wall lights and bathroom ceiling lights are two examples.
Keeping a tight seal around the diode is essential in these scenarios to prevent it from becoming wet.
On the other side, a lack of airflow allows heat to build up more quickly. LEDs with inadequate heat dissipation are more likely to fail, both gradually (by a decrease in brightness) and catastrophically (through a thermal stress explosion).
As a result, most LEDs are not suitable for enclosed fixtures.
On the other hand, manufacturers have become aware of this issue in recent years and have attempted to close the gap in the market. Nowadays, it is feasible to purchase LEDs marked with "Enclosed Fixture Rated."
If you're not sure whether or not your LED will be safe in an enclosed fixture, the best course of action is to avoid taking the chance.


There are LED lights that stay on all the time. Is it safe to leave them on?

Yes, we can leave our LED lights on all the time. However, if they aren't being used, it is a waste of finite resources that we can use elsewhere.
Powering a light bulb needs electricity from a power plant. Not only do power plants pollute the air with the harmful gases they make, but they also cause a loss of freshwater. It's also harmful to leave the lights on all the time, which causes light pollution, significantly impacts the world's ecosystems, and makes it hard to study the stars.
It is thought that the average household spends about 5% of its energy on lighting. Wasted energy adds up quickly, and it has a nasty effect on our planet. Think about whether you need to keep your LED lights on all the time.



Briefly stated, when subjected to an extreme amount of thermal or electrical stress, LEDs may burst and create an audible "pop" sound. Even yet, if you utilize high-quality LEDs and properly control heat dissipation, it is unlikely that this will take place.

When it comes to longevity, it's safe to say that LED lights exceed their counterparts by a country mile.

LED lights, whether in the form of Christmas lights or strip lights, are perfect for long-term use and may be purchased in various sizes and shapes. If you have lights in your home and property that need to be on all of the time or for lengthy periods, it may be worthwhile to upgrade to LEDs. Along with reducing your energy expenditures, you'll also be decreasing your carbon footprint, which is good news for the environment.

Remember that, despite their proximity to the environment, LED lights are not wholly ecologically benign, and you should only use them in situations where they are necessary.



Can LED bulbs explode? (2020, October 5). LED & Lighting Info - Useful Tips To Improve Design. https://ledlightinginfo.com/can-led-bulbs-explode

Can LED lights cause fire? (2021, May 8). LED & Lighting Info - Useful Tips To Improve Design. https://ledlightinginfo.com/can-led-lights-cause-fire

Do LED bulbs catch fire? And other great questions. (n.d.). AtlantaLightBulbs.com. https://www.atlantalightbulbs.com/blog/do-led-bulbs-catch-fire-and-other-great-questions/

FAQ - Do LED light bulbs have a warm up time? (n.d.). Light Bulbs and Light Fittings From BLT Direct. https://www.bltdirect.com/do-leds-have-a-warm-up-time

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