30+ Reviews on



50+ Reviews on



Several Reviews on



Call for Repairs & Installation Services 24/7

30+ reviews on Google

How Do Surge Protectors Work? An In-Depth Guide by Popkin Electric

Discover How Surge Protectors Keep Your Electronic Devices Safe

surge protector on fire.

The Vital Role of Surge Protectors in Protecting Your Electronic Assets

The surge protector is an unsung hero in modern homes and businesses. Protecting these investments against electrical surges has become increasingly important as we rely more on electronic devices. Surge protectors play a pivotal role in safeguarding appliances connected to AC outlets in your home or specialized equipment in a business setting. In this comprehensive guide, we aim to demystify the technology behind surge protectors and discuss why they are an essential addition to your electrical setup.

Why Popkin Electric Recommends Surge Protectors for Every Home and Business

Let’s start with the basics. What does a surge protector do? In simple terms, a surge protector acts as a gatekeeper for electrical energy, ensuring that only the required amount of electricity reaches your connected devices. This is vital for multiple reasons.

Electrical surges can happen suddenly and are often beyond your control. They could be caused by anything from a lightning strike to fluctuations in the electrical grid. The impact can range from mild to severe, affecting everything plugged into AC outlets or wall outlets in your home or office. In extreme cases, the lack of surge protection can result in data loss, permanent damage to electrical circuits, and even create fire hazards.

The primary function of a surge protector is to redirect any excess electrical energy away from the connected devices and into the building’s grounding wire. This acts as a safety mechanism, effectively mitigating the risks associated with electrical surges and protecting your valuable equipment.

The Inner Workings: Understanding the Role of MOV

So, how does a surge protector work? The key component is something called a Metal Oxide Varistor (MOV). This tiny but crucial part determines how effectively the surge protector safeguards your devices.

In normal conditions, the MOV does nothing—it effectively acts as an open circuit, letting the usual flow of electricity pass through AC outlets uninterrupted. However, when it detects a voltage spike, it instantly changes its properties. It becomes a conductor, directing the extra voltage away from the wall outlets and into the grounding wire of your electrical setup.

After the surge passes, the MOV returns to its initial state, allowing for the normal flow of electricity. When you’re selecting a surge protector, it’s essential to look at two key attributes of the MOV—its clamping voltage, which is the voltage level that triggers the MOV to become a conductor, and its joule rating, which tells you how much energy the MOV can absorb. Both are crucial parameters in determining the effectiveness of surge protectors.

Types of Surge Protectors: Choose the Right One for Your Needs

There is no one-size-fits-all when it comes to surge protectors. Depending on where you intend to use it and what you plan to connect, different types may be more suitable.


  1. Power Strip Surge Protectors: Ideal for home use, these are commonly used to protect devices like laptops, TVs, and other small appliances connected to AC outlets. These often come with multiple outlets for your convenience, and some even feature spaced outlets to accommodate bulkier power adapters.
  2. Whole-Home Surge Protectors: This is a more robust solution designed for comprehensive coverage. It is integrated into your home’s main electrical panel and offers surge protection for all wall outlets throughout your residence. This type is ideal for also protecting large appliances like refrigerators and HVAC systems.
  3. Uninterruptible Power Supplies (UPS): Predominantly used in business settings, a UPS does double duty. Along with providing surge protection, it also comes with a battery backup. This is particularly useful for ensuring that there are no interruptions in power supply to critical systems, thereby preventing data loss and system crashes during power outages.

Why Popkin Electric is Your Go-To for Surge Protection Needs

Popkin Electric brings to the table years of expertise and a commitment to customer satisfaction. We understand that each customer’s needs are unique, whether it involves protecting a home filled with smart devices or a commercial space with specialized equipment. Our professionals are skilled in guiding you to select good surge protectors that are tailored to your specific needs, be it for wall outlets at home or for more complex needs requiring an uninterruptible power supply.

The Imperative for Surge Protection

In today’s digital age, safeguarding our electronic investments has become more critical than ever. From smartphones and personal computers to large home appliances and office equipment, nearly everything we rely on is vulnerable to electrical surges. By investing in a reliable surge protector, you can protect these valuable devices and enjoy greater peace of mind.

Popkin Electric is here to assist those seeking more information or to schedule an installation of a surge protector. Our team of experts is committed to providing you with customized solutions, ensuring that your home or workplace is equipped with the most effective surge protection.

Schedule Your Electrical Service Appointment Today!

Powering Homes and Businesses with Excellence – Choose Popkin Electric for Quality and Reliability!

Our Address

87 Engineers Drive Hicksville, NY 11801



More to explore