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2. Lightning rod - Wikipedia

   en.wikipedia.org/wiki/Lightning_rod

   The lightning protection system provides safe conductive paths between the entry and exit points to prevent damage to electronic equipment and to protect flammable fuel or cargo from sparks. These paths are constructed of conductive materials.

3. Lightning arrester - Wikipedia

   en.wikipedia.org/wiki/Lightning_arrester

   If protection fails or is absent, lightning that strikes the electrical system introduces thousands of kilovolts that may damage the transmission lines, and can also cause severe damage to transformers and other electrical or electronic devices. Lightning-produced extreme voltage spikes in incoming power lines can damage electrical home ...

4. Transient-voltage-suppression diode - Wikipedia

   en.wikipedia.org/wiki/Transient-voltage...

   A transient-voltage-suppression diode can respond to over-voltages faster than other common over-voltage protection components such as varistors or gas discharge tubes. The actual clamping occurs in roughly one picosecond, but in a practical circuit the inductance of the wires leading to the device imposes a higher limit. This makes transient ...

5. Top home security upgrades that can lower your homeowners ...

   www.aol.com/finance/home-security-upgrades-lower...

   At a glance: Costs and savings for lightning protection systems. System type. Equipment cost. Potential discount. Annual savings* Breakeven point. Lightning protection system. $1,500 to $3,000. 1% ...

6. 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 ...

7. IEC 61000-4-5 - Wikipedia

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

   It necessitates the test of surge immunity in electrical or electronic equipment. IEC 61000-4-5 defines test set-up, procedures, and classification levels. In particular, it standardizes the required surge voltage and current waveforms for laboratory testing, with the "1.2/50-8/20 μs" impulse being the most frequently used surge waveform.