Home Safety – Surge Protection
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High-tech gadgets, appliances and computers all have one weakness in common: vulnerability to power surges. Too much electricity coursing through connecting wires can fry circuitry inside sensitive electronics, reducing them to expensive trash. Unfortunately, electric current coming from your wall outlet doesn’t always remain at a steady, optimal 120 volts.
Electricity can spike for a number of reasons, including lightning strikes on power lines, which can send millions of volts searing through your wiring. Motor-driven appliances that use large amounts of power—like washers and dryers—will cause surges, too, when they kick on and off. But power spikes aren’t always dramatic or obvious. Smaller electrical products, such as hair dryers, have more subtle power cycles than large items such as central air-conditioning units. When you use a hair dryer every morning, it could be gradually damaging the circuitry of, say, the microwave, as each small surge hits its circuit board.
Homeowners can protect digital electronics with surge suppressors. As the term implies, these devices suppress a fluctuating power supply by diverting excess voltage to a ground wire. There are several types of whole-house surge suppressors available, although none of them are able to fully stand up to the enormous power spike caused by lightning. Some protectors mount on your circuit breaker panel indoors or are built into a specific circuit breaker. Others are designed to mount at the base of your electric meter. Suppressors are available for many applications, from single-plug wall units to rack-mounted setups that cover an entertainment system. For those who don’t like continually stooping to flip the switch on a power strip, some models even include remote controls. You can also find pivoting protectors that adjust to accommodate a variety of adapters, letting you plug all of your gadgets into one strip
Before you buy It’s important to remember that many of your devices may be connected to other outlets, such as satellite, cable, phone and Internet lines. Surge protectors are available with options to protect these conduits as well. And make sure the manufacturer guarantees to cover the cost of replacing any damaged equipment that was attached.
Article courtesy of Angela Perez who writes for the National Rural Electric Cooperative Association
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