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25.12.2025. 10:43h

In most households, the same patterns have been repeated for years: the extension cord remains plugged in all the time, chargers are plugged in even when not in use, and powerful household appliances are often plugged in wherever is "closest."

Although it seems harmless, electricians warn that such habits are a frequent cause of malfunctions, as well as more serious problems in the household.

An extension cord is not a replacement for a power outlet.

Extension cords are intended for temporary use and for lower-power devices. However, in practice, they are often used as a permanent solution, especially in older homes with insufficient sockets.

Extension cords are often used to connect refrigerators, washing machines, ovens, air conditioners, or electric heaters. This is a mistake, as such devices consume a large amount of electricity and require a stable and direct connection.

Prolonged loading of an extension cord can lead to its heating, damage to the insulation and an increased risk of short circuits.

Multiple devices in one place – a problem that is not immediately visible

In many homes, a single extension cord can hold phone chargers, a laptop, a TV, a router, and additional lighting. While each of these devices doesn't use much power individually, the combined load can be more than the cord can safely handle.

The problem is that the consequences are not immediately visible. The cable heats up gradually, the sockets weaken, and users are not aware of this until a failure occurs.

Chargers that are constantly plugged in

Chargers for phones and other small devices often remain plugged in, even when not in use. Although modern electronics consume little power in this mode, leaving a charger plugged in for long periods of time, especially cheap or counterfeit models, increases the risk of overheating.

A particular problem arises when chargers are used via extension cords or power strips that are already loaded with other devices.

Unattended kitchen appliances

Appliances such as toasters, kettles, mini-ovens or deep fryers are often used "on the go", without constant supervision. The kitchen is one of the places where electrical problems most often occur, because water, heat and electricity are combined.

If such devices are left switched on or connected even after use, the risk increases further, especially in older installations.

Temporary solutions that become permanent

One of the most common mistakes in households is turning temporary solutions into permanent ones. An extension cord, power strip, or makeshift outlet is often left in use for years, without checking the condition of the installation.

Electricians warn that every household should periodically check the condition of sockets, cables and power strips, especially if heating, sparking or unstable contact is noticed.

Small changes that reduce risk

– Always plug larger household appliances directly into a wall outlet – Do not use extension cords as a permanent solution – Unplug chargers when not in use – Do not overload a single power source with multiple devices – Periodically check the condition of cables and outlets

Although these habits are often overlooked, experts point out that they are the difference between a safe household and a potential problem. Most risks can be avoided with a little attention and a different organization of everyday use of electrical appliances.