If the 110V device is connected to a 220V power source, the energy can quadruple when the device is turned on, and the device has operated quickly in a state of overvoltage. It can be accompanied by smoke and flash, or the fuse has melted and the protection part has been damaged.

Several output power lines (e.g. burst protectors, temporary power taps, plugs, etc.). In case high-current devices such as space heaters, microwaves, toasters, ovens and pumps are plugged into a power band, an overload may occur causing circuit breakers or even electric fires by overheating.

Too high voltage If the adapter has a higher voltage, but the current is the same, then the device will probably go out when it detects a surge. If it does not, then it can turn hotter than normal, which can shorten the life of the device or cause immediate damage.

In the case where high-current devices such as space heaters, microwaves, toasters, ovens and pumps are connected in a supply band, an overload may occur causing circuit breakers or even electric lights by overheating. The supply bands shall be identified by a nationally recognized test laboratory (NRTL).

A common clue indicating a power failure is a high point to complain or crush the noise of the area where the power supply is hosted. Do not wait until the power supply dies, because its failure can cause tension problems that can ruin the motherboard, hard disk, or other components.