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2. Surge protector - Wikipedia

   en.wikipedia.org/wiki/Surge_protector

   Surge protection device (SPD) for installation in a low-voltage distribution system. A surge protector, spike suppressor, surge suppressor, surge diverter, [1] surge protection device (SPD), transient voltage suppressor (TVS) or transient voltage surge suppressor (TVSS) is an appliance or device intended to protect electrical devices in alternating current (AC) circuits from voltage spikes ...

3. Category:Over-current protection devices - Wikipedia

   en.wikipedia.org/wiki/Category:Over-current...

   Category for standard protection devices fitted to commercial or domestic electrical supplies, to monitor leakages to earth, which cause a subsequent over-current Pages in category "Over-current protection devices"

4. Circuit breaker (overcurrent) - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker_(overcurrent)

   Residual-current device (RCD), or residual-current circuit breaker (RCCB) — detects current imbalance, but does not provide over-current protection. In the United States and Canada, these are called ground fault circuit interrupters (GFCI). Residual-current circuit breaker with overcurrent protection — combines the functions of a RCD and a ...

5. Overcurrent - Wikipedia

   en.wikipedia.org/wiki/Overcurrent

   the grid protection devices are designed to be triggered by a sufficient level of overcurrent. In a weak system the short circuit current might be hard to distinguish from a normal transient overcurrent encountered during the load changes;

6. Appliance classes - Wikipedia

   en.wikipedia.org/wiki/Appliance_classes

   Appliance classes (also known as protection classes) specify measures to prevent dangerous contact voltages on unenergized parts, such as the metallic casing, of an electronic device. In the electrical appliance manufacturing industry, the following appliance classes are defined in IEC 61140 and used to differentiate between the protective ...

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