![]() Outlet-based surge protectors protect your devices from that accumulation but take it on themselves. Even minor surges result in cumulative wear and tear. What separates a surge protector from a power strip is the sensor that detects the surge and the component that redirects the excess. Note that power strips-also known as extension boxes-are not necessarily surge protectors. These units are power strips that plug into a wall outlet and through which you can plug multiple other devices and appliances depending on how large the surge protector is. When many people think of a surge protector, they are thinking of a point-of-use surge protector. ![]() Gas discharge arrestors and metal oxide varistors are examples of components used by surge protectors to reroute excess electric energy to grounding wires. A surge protector detects excess pressure and diverts it. Such bursts-or power surges-can cause cumulative damage to your electronic devices and even outright destroy them if the surge is powerful enough. Too much pressure in the hose can cause it to burst. Voltage is the equivalent of water pressure in that hose, and amperage is the equivalent of the flow rate-the amount of water passing through the hose. Think of the electrical wiring in your home as a water horse. How Does a Surge Protector Work?Įlectricians use a common analogy to explain surge protection to laymen. But lightning strikes and downed power lines are examples of external events that can create major power surges that can have a devastating effect on your electronic equipment. External sources can lead to power surges as well, such as an overvoltage on a utility line in your neighborhood. Power surges can originate from within your home either due to some form of electrical malfunction or when turning on or off a large appliance that draws significant current. But do surge protectors actually shield electronics from lightning? The answer is not a simple yes or no. Many homeowners, therefore, try to protect their equipment through surge protection. Lightning strikes present a serious risk, and most home insurance policies do not cover appliances damaged due to lightning or another type of power surge. ![]() ![]() The average home in the Greater Seattle area has numerous electronic devices that represent a significant financial investment for those homeowners. ![]()
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