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What Causes Power Surges—and How to Stop Them from Wrecking Your Stuff
What Causes Power Surges—and How to Stop Them from Wrecking Your Stuff
September 18, 2025

What Causes Power Surges—and How to Stop Them from Wrecking Your Stuff

You rely on electricity every single day, from charging your phone to powering your appliances and entertainment systems. But there’s an invisible threat that could damage all of these essentials in seconds, a power surge. These sudden spikes in voltage might only last milliseconds, but the damage they cause can be costly, frustrating, and sometimes dangerous. The good news is that there are ways to prevent them from ruining your devices and appliances.

In this blog post, our professionals from Neighborhood Electric will explore what causes power surges and how you can stop them from wrecking your stuff.

Understanding What a Power Surge Is

A power surge happens when the flow of electricity is suddenly interrupted and then starts again or when something sends electricity flowing back into the system. Most homes run on 120-volt power, but when a surge occurs, the voltage can spike far above this safe level. That sudden increase overwhelms sensitive electronics, frying circuit boards, damaging motors, and even shortening the lifespan of major appliances. The scary part? Many surges are so small that you may not even notice them, yet they quietly wear down your electrical system over time.

Common Causes of Power Surges

There are several reasons why power surges occur, some external and some within your home. Lightning strikes are one of the most dramatic and dangerous causes. A single bolt can send millions of volts surging through power lines and into your home. However, most surges come from smaller, everyday events. For example, when large appliances like refrigerators or HVAC systems cycle on and off, they create sudden demands on the electrical system that cause mini-surges. Faulty wiring and issues with the local power grid can also contribute to these spikes. Without proper protection, these common surges add up and slowly damage your electronics.

The Risk to Your Electronics and Appliances

Think about the number of devices in your home that rely on electricity—computers, televisions, gaming systems, smart home gadgets, kitchen appliances, and more. Each of these items contain sensitive components that can’t handle sudden voltage spikes. A single power surge can completely destroy a laptop or TV, while repeated small surges can reduce the lifespan of refrigerators, washing machines, or air conditioners. The cost of replacing these items far outweighs the investment in protection, which is why professional electrical service is so important.

How Electricians Protect Your Home

Professional electricians in Nassau play a vital role in safeguarding your home from power surges. While you may think that plugging devices into a basic power strip is enough, those strips usually don’t provide adequate surge protection. Instead, licensed electricians can install whole-home Surge Protection Installation systems that shield your entire electrical panel. This means every outlet, appliance, and device in your home is protected from harmful voltage spikes. Additionally, electricians can inspect your wiring, identify potential problem areas, and recommend upgrades to keep your electrical system running safely and efficiently.

The Importance of Surge Protection Installation

Surge Protection Installation is one of the best investments you can make for your home’s safety. Unlike small plug-in surge protectors, whole-home systems offer comprehensive protection. They’re installed directly into your electrical panel, intercepting excess voltage before it can reach your appliances. This is especially critical in areas prone to storms or older neighborhoods with outdated wiring. With trusted electrical service, you get peace of mind knowing that both your expensive devices and your home’s electrical infrastructure are safeguarded from harm.

Protecting What Matters Most

Power surges are unpredictable, but their effects are very real. From everyday appliance cycling to severe lightning strikes, these voltage spikes can destroy your electronics and appliances in an instant. The best defense is proactive protection through licensed professionals and whole-home Surge Protection Installation. Combined with smart daily practices, you can keep your devices safe, extend the life of your appliances, and protect your investment. Don’t wait until a surge causes expensive damage, take steps today to shield your home and everything in it.