
Candles are a common source of warmth and comfort, but they can also pose a safety risk if not handled properly. It is a widely held belief that candles should never be left unattended, and that they need to be manually blown out or snuffed out. However, there is some truth to the idea that candles can blow themselves out. Certain types of candles, such as those with self-extinguishing wicks made of zinc or tin, are designed to curl over and extinguish themselves when they get too short. Additionally, container candles with sturdy wax and metal wicks tend to burn down completely and self-extinguish. While these features provide an added layer of safety, it is still recommended to always blow out candles before leaving a room or going to sleep, and to follow other candle safety tips to prevent accidents and fires.
| Characteristics | Values |
|---|---|
| Safety | Never leave candles unattended or within reach of children and pets |
| Keep candles away from flammable materials | |
| Place candles on a flat, heat-resistant surface | |
| Use a candle snuffer to extinguish the flame | |
| Stop burning a candle when there's about 0.5 inches of wax left in the container | |
| Be aware of drafts | |
| Do not move a burning candle | |
| Do not burn candles for longer than four hours | |
| Allow the candle to cool for at least two hours before relighting it | |
| Dispose of candles responsibly | |
| Trim the wick to 0.25 inches before placing it in its holder | |
| Choose candles with self-extinguishing wicks | |
| Container candles with sturdy wax that hardens around a metal wick tend to burn down completely before going out |
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What You'll Learn

Jar candles extinguish themselves when the wick drowns in wax
While candles should never be left burning unattended, certain types of candles are designed to self-extinguish. Jar candles, for example, tend to extinguish themselves when the wick drowns in wax. As a candle burns, it creates a pool of melted wax. When the wax level gets low enough, the wick drowns in the wax, cutting off the flame's fuel supply and causing it to go out. This self-extinguishing feature is more common in candles made from soy or beeswax, which burn slower and produce a smaller pool of liquid wax.
The type of wick used in a candle also plays a significant role in whether it will self-extinguish. Wicks made from materials like zinc or tin are designed to self-extinguish, increasing the likelihood that the candle will go out once it reaches the end of its burning time. Regularly trimming the wick to 1/4 inch can also help prevent large flames and promote an even burn that could lead to self-extinction.
To ensure safe usage and reduce fire hazards, it is recommended to select candles with self-extinguishing features, especially if there is a risk of leaving them unattended. However, even with these features, it is always advisable to snuff out candles before leaving a room or going to bed, as candles are a common cause of house fires.
While jar candles may eventually extinguish themselves, it is important to note that this is not the case for all candles. Candles made from paraffin wax, for instance, may not extinguish themselves before reaching the bottom of the container. Additionally, some wicks may continue to burn even after the wax supply is depleted, emphasizing the importance of manually snuffing out candles when leaving them unattended.
To summarize, jar candles may extinguish themselves when the wick drowns in wax due to the reduced fuel supply. However, this is not a guarantee, and it is always safer to manually extinguish candles and follow candle safety guidelines, such as trimming wicks, avoiding flammable materials, and not leaving candles unattended.
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Self-extinguishing wicks are made from zinc or tin
While candles do not blow themselves out, some candles can be made to self-extinguish. This is achieved through the use of self-extinguishing wicks, which are typically made from zinc or tin.
Self-extinguishing wicks are designed to prevent candles from burning down completely and causing fires. They work by including a flame-extinguishing compound within the wick that produces a blowing reaction, extinguishing the flame. This is particularly useful for candles left unattended, which are a common cause of house fires.
One way to create a self-extinguishing wick is to use a segmented wick. This type of wick is designed so that the flame extinguishes itself when it can no longer burn along the wick. Another method is to use a non-flammable mixture for the candle body instead of a traditional flammable one, which also results in self-extinguishment.
In addition to self-extinguishing wicks, there are other ways to prevent candles from burning down completely. For example, some candles use a flame retardant located at a specific height within the candle, causing the candle to self-extinguish at that point. However, this method may require removing the non-flammable substance to reach the next layer of flammable wax.
It is important to note that candle safety goes beyond self-extinguishing features. To prevent fires, it is recommended to never leave lit candles unattended and to keep them away from flammable materials. Proper wick maintenance, such as keeping the wick trimmed, is also important for safe candle burning.
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Never leave a candle unattended
Leaving a candle unattended is a fire hazard and can be extremely dangerous. It is a common misconception that candles will burn out on their own, but this is not always the case. The National Fire Protection Association (NFPA) reports an average of 16 home fires per day caused by candles. That's 16 homes or apartments burning down every day because someone forgot to blow out a candle or didn't take the necessary precautions.
Candles with self-extinguishing wicks, like those made from zinc or tin, are designed to curl over and snuff themselves out when they get too short. Jar candles or candles in sturdy containers with wicks that come from a metal bottom can also self-extinguish. However, not all candles have these features, and even those that do should not be left unattended.
To ensure safety, it is crucial to never leave a candle unattended and to always blow it out if you leave the room or go to sleep. Keep candles away from children and pets, and place them in holders to prevent them from falling over. Additionally, always use the proper type of wick for your candle and keep the wick trimmed to 1/4 inch to prevent large flames.
By following these safety precautions, you can enjoy your candles while reducing the risk of fire and creating a warm and inviting space for yourself and your loved ones. Remember, when it comes to candle safety, it's always better to be safe than sorry!
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Use a candle snuffer to prevent hot wax splatter
Using a candle is a great way to set the mood, but it's important to be mindful of fire safety and hot wax splatters. A candle snuffer is a small handheld tool used to extinguish candle flames without blowing them out, preventing wax from splattering. It typically consists of a handle and a cone, bell, or cylinder-shaped metal cap. The cap is designed to be placed over the lit candle, gently pressing down on the flame and suffocating it. This prevents hot wax and smoke from escaping and causing damage or stains.
- Pay attention to the way you hold the snuffer over the candle. Gently hover it over the wick without dipping it into the wax. This will prevent the snuffer from bumping against the wick and avoid any debris from falling into the wax.
- Use a wick trimmer to keep the wick trimmed to the desired length. This helps prevent soot from forming and ensures the candle burns evenly and lasts longer.
- Clean your candle snuffer regularly. Soak the bell-shaped portion of the snuffer in boiling water to remove any leftover wax, then wipe it dry with a clean towel.
- Be mindful of burning times. It is recommended that candles shouldn't be left burning for longer than four hours at a time to prevent overheating, uneven burns, and excess smoke.
Using a candle snuffer is a safer and more delicate alternative to blowing out a candle, which can cause hot wax to splatter and create a mess. It also helps to maintain the quality of your candle, keeping the wick in place and preventing disturbances to the burning process. So, the next time you reach for a candle, be sure to grab a candle snuffer too!
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Keep candles away from flammable objects
Candles are a potential fire hazard if not carefully monitored. A study by the U.S. Consumer Product Safety Commission suggests that 85% of candle fires could be avoided if consumers followed basic safety rules.
To avoid the risk of fire, it is important to keep candles away from flammable objects. This includes keeping them away from furniture, drapes, bedding, carpets, books, paper, clothing, curtains, rugs, fabrics, flammable decorations, and other combustible liquids.
Candles should also be placed in sturdy holders that are large enough to collect dripping wax and made from materials that cannot burn. It is important to avoid placing candles in windows, where blinds and curtains can close over them, and to keep them out of the reach of children and pets.
Additionally, it is recommended to use flashlights or battery-powered lights instead of candles, especially when lighting is needed in closets or when fueling equipment such as kerosene heaters or lanterns.
By following these safety precautions, the risk of candle-related fires can be significantly reduced.
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Frequently asked questions
No, candles do not blow themselves out. It is unsafe to leave a candle unattended and it is always recommended to blow out a candle before leaving a room or going to sleep.
Container candles with sturdy wax that hardens around a metal wick tend to burn down completely and have a higher chance of self-extinguishing.
Here are some general candle safety tips:
- Keep candles away from children and pets.
- Always use a candle snuffer to extinguish the flame.
- Stop burning a candle when there's about half an inch of wax left in the container.
- Keep candles away from drafts, open windows, fans, or air vents.











































