Using an electric kettle for cooking instant noodles, making tea, heating bath water, or preparing porridge can save a lot of time. However, there are five common mistakes that nearly everyone makes when using electric kettles. These habits not only shorten the lifespan of the appliance but can also pose fire hazards and health risks.

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1. Pouring water carelessly

Inside most electric kettles, you'll find minimum ("min") and maximum ("max") water level indicators. These markings help ensure that the kettle is used safely.

• If you pour less than the minimum, the heating element may not be covered, leading to overheating or even burning out the internal components.

• If you pour more than the maximum, boiling water may overflow, which can cause burns and allow water to seep into the electrical base, increasing the risk of a short circuit or fire.

Always fill the kettle within the recommended range to protect both the device and yourself.

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2. Turning on the kettle before adding water

Some people plug in the kettle first, then add water. This is a dangerous habit.

Electric kettles usually have high wattage (from 1000W to over 2000W). Once plugged in, they begin heating immediately. Without water, the heating plate can overheat within seconds, causing permanent damage or increasing the risk of a fire.

Always make sure the kettle contains water before plugging it in.

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3. Neglecting to clean the base

While many people clean the inside and exterior of the kettle, they often forget about the electric base, which is a critical component.

If water spills and is not wiped up in time, it can lead to moisture buildup, dust accumulation, and even rust inside the electrical parts. This can cause the kettle to function poorly or become a fire hazard. Dust inside vents or power contacts can also lead to weak or unsafe electrical connections.

Make it a habit to regularly wipe the base dry with a soft cloth to keep it clean and dry.

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4. Not removing limescale buildup

After some time, the bottom of the kettle may develop a white or yellowish residue — this is limescale, mainly from calcium and magnesium in tap water. If not cleaned, it can:

• Increase the time needed to boil water

• Create an unpleasant smell or taste

• Pose potential health risks if residue mixes with the water

To clean the kettle, add about one small bowl of water with 2–3 tablespoons of white vinegar or a few slices of lemon. Boil the mixture, let it sit for about 30 minutes, then rinse thoroughly. Do this 1–2 times a month, especially if you're using hard tap water.

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5. Buying cheap kettles without checking the inner material

Many people focus on price when buying a kettle and overlook the inner material. Most kettles use stainless steel linings, but not all types are safe.

Low-grade stainless steel may release harmful substances when heated. The safest options are 304 or 316 stainless steel, both of which are food-grade materials known for their durability and resistance to leaching.

Choose kettles from reputable brands that clearly state the material used on the packaging. Spending a bit more for better quality helps ensure your safety and extends the appliance’s lifespan.