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It is very important to choose carefully when buying surge protectors. The reality is that in the end, a bad choice can do more harm than prevent it. That’s why it pays to read about the best products and balance the costs with the design strengths and technical capabilities. In the end, not all surge protective devices are the same.recommend 7 Outlet 490J Surge w RJ11 by APC
Many people complain that their TV or electronic device “burned” when the voltage suddenly dropped. To say “burned” does not mean that it was engulfed in flames, but rather refers to a very common phenomenon of a device that suddenly stops working due to a drastic fluctuation of the input voltage. When the voltage suddenly rises to a very high value for a very short time, it is called overvoltage.
What is a Surge Protector?
A surge-protector is designed to protect any device with a standard AC plug from damaging power surges and disruptive line noise transferred through the electrical wall outlet. A surge protector may have a long power cord or it may plug directly into the wall, and it usually has multiple outlets for connecting equipment. Some surge protectors also include protection for phone/modem lines, network (Ethernet) connections, and coaxial connections for cable, antenna, or satellite TV reception.
Be careful not to confuse a surge-protector with a power strip. They look very similar, but a power strip provides only an extension cord and additional outlets, with no protection against surges and line noise.
Surge Protector vs. Power Strip
At first glance, surge protectors and electric bands seem to do the same. But while the power strips are essentially multiple output extensions, surge-protectors are designed to protect electronic devices against (as you suspect) electrical surges (and spikes).
The most common overvoltage events occur when energy demand changes, especially if the building has old or faulty electrical wiring. Did you notice that the lights flash or dim every time you turn on the refrigerator, air conditioner, hair dryer, or other high-performance device? This sudden energy demand can lead to a short-term increase in the demanding circuit and affect all connected sockets. In North America, any amount above the standard voltage of 120V is considered excess. Small waves can occur at any time without signal and still exceed the normal operating voltage of a product.Outlet 490J Surge RJ11 APC You can check price 7 Outlet 490J Surge w RJ11 by APC