What ispower surge

A power surge is an unexpected spike in the electrical current that can damage your electronic devices. It happens when there is an excess of voltage provided by the utility that can last up to 50 microseconds, arriving at your equipment at 6,000 volts and 3,000 amps. Although it lasts for a short time, it can harm your computers, TVs, and other electronics, leading to expensive repairs or replacements.

Causes of Power Surge

Power surges can occur due to various reasons such as lightning strikes, tripped circuit breakers, power outages, and faulty wiring among others. It is important to identify the cause of the power surge to prevent future damage.

Protecting Your Electronics from Power Surges

There are various methods to protect your electronics from power surges such as using surge protectors, unplugging devices during a storm, and installing whole-house surge protection. A surge protector is the most common and is available as a power strip or a standalone device, allowing you to plug in multiple devices and protect them from power surges.


Power surges can cause significant damage to your electronic devices and lead to expensive repairs or replacements. Understanding the causes and taking preventive measures such as using surge protectors and unplugging devices can protect your electronics from power surges and save you from added expenses.


Can power surges cause a fire?

Yes, if the voltage spike is high, power surges can start a fire due to overheating of the wiring or electrical components.

How often should surge protectors be replaced?

Surge protectors have a limited lifespan and should be replaced every 2-3 years or after a major power surge.

Can power surges affect appliances?

Yes, power surges can affect any device that uses electricity, including appliances, and cause costly repairs and replacements.

Is it necessary to unplug appliances during a storm?

It is recommended to unplug your electronic devices during a storm to protect them from power surges caused by lightning strikes.

Do power strips protect against power surges?

Not all power strips offer surge protection. Look for a power strip with a built-in surge protector or buy a standalone device to protect your electronics from power surges.

Remember, taking preventive measures such as using surge protectors can save you from the added expenses of repairing or replacing your damaged electronic devices.

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