I was surprised to learn that line filters burn out. Yes, they can usually take a lot of small hits, but the hits add up and suddenly the defense stops working. So I decided on new voltage stabilizers since ours were quite old. One of the comparison sites I checked was thewirecutter(dot)com. As of 12/1/15, the Tripp-Lite TLP1008TEL Surge Protector is the top recommended surge protector. To be honest, thewirecutter tells you that they get paid when someone clicks on a seller's link on their site (which I didn't). ). They also recommend the AP SurgeArrest 3020J, except that SurgeArrest will not turn off if the surge protector stops working. I think it depends on whether you see the lights go out or not. This is a great defender. It doesn't fit in a small space. It has a keyhole to hang it on the wall but I use it on the floor. I think the size is a plus because the four grounded outlets are spaced far enough apart for transformers to be used. The mains filter plug is at right angles, which is an advantage when connecting behind furniture. And the 8ft cord makes it easy to route behind a long sofa. If you have young people who can stick their fingers in something, each socket has a protective cover, which is pushed over it. There are three lightbulbs at one end. Protectors, and they are bright. The large center meter, shaped like an orange-red oval, is a switch. This is good for saving energy. At the end of the day, just turn off your computer and TV. They still use power in the background. Therefore, to save energy, you must turn them off. It is easy to turn off the power of more than one machine at the same time when they are connected to such a surge protector. Instead of unplugging each machine, simply flip the switch on the safety device. A small red light means the outlet that the surge protector is plugged into is grounded. A little green light means that the overvoltage protection works. If this ad goes out, you supposedly get a new Tripp-Lite as a gift, because there is a lifetime guarantee on it. Happy reader. if they are so connected to the surge protector. Instead of unplugging each machine, simply flip the switch on the safety device. A small red light means the outlet that the surge protector is plugged into is grounded. A small green light means the surge protector is working. If this ad goes out, you supposedly get a new Tripp-Lite as a gift, because there is a lifetime guarantee on it. Happy reader. if they are so connected to the surge protector. Instead of disconnecting each machine from the mains, just flip the switch on the safety device. A small red light means the outlet that the surge protector is plugged into is grounded. A small green light means the surge protector is working. When that ad goes off, you're supposedly getting a new Tripp-Lite because it has a lifetime warranty. Happy reader.
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