Updated: 8:29 PM UTC, Jul 16, 2017

Lightning Rod and Power Surge Protector Different Functions

Lightning rods and surge protection are different devices with different functions : the lightning rod is used to channel lightning to earth in a direct impact on a structure to protect it from fire for instance, while the SPD is to prevent surges in power lines and telecommunications.

The lightning rod is commonly found in the form of a point on the roof of some buildings, while the SPD consists of varistors,  transil diodes or spark gaps.

Lightning by Thomas Bresson Lightning by Thomas Bresson

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