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2. Surge protector - Wikipedia

   en.wikipedia.org/wiki/Surge_protector

   A surge protection device mounted on a residential circuit breaker panel A varistor inside a consumer-grade surge protector has failed after a lightning strike. The Joule rating number defines how much energy a MOV-based surge protector can theoretically absorb in a single event, without failure. Better protectors exceed ratings of 1,000 joules ...

3. Varistor - Wikipedia

   en.wikipedia.org/wiki/Varistor

   Modern varistor schematic symbol, which is the same as a thermistor symbol [1] A varistor (a.k.a. voltage-dependent resistor (VDR)) is a surge protecting electronic component with an electrical resistance that varies with the applied voltage. [2] It has a nonlinear, non- ohmic current–voltage characteristic that is similar to that of a diode.

4. IEC 61000-4-5 - Wikipedia

   en.wikipedia.org/wiki/IEC_61000-4-5

   IEC 61000-4-5 is an international standard by the International Electrotechnical Commission on surge immunity. In an electrical installation, disruptive surges can appear on power and data lines. Their sources include abrupt load switching and faults in the power system, as well as induced lightning transients from an indirect lightning strike ...

5. These UPS Battery Backups Do a Lot More Than a Regular Surge ...

   www.aol.com/ups-battery-backups-lot-more...

   BE600M1. Most UPS devices take up a lot of floor or desk space. This one, however, measures approximately 4 by 11 by 5.5 inches, which is more compact than most for easier integration into your ...

6. 'Plug in tons of items in one spot' — our tech writer's ...

   www.aol.com/lifestyle/plug-in-tons-of-items-in...

   If you don't think you need the USB-C port, the brand also makes a surge protector without it (and while a little pricier, that one has over 50,000 five-star reviews). Now, about that night light.

7. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   Uninterruptible power supply. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it will ...