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Lightning Arrestor

What is a Lightning Arrestor?

Introduction

A lightning arrestor is a device used in electrical power systems and telecommunications systems to protect the insulation and conductors of the system from the damaging effects of lightning. The typical lightning arrestor has a high-voltage terminal and a ground terminal.

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Function of Lightning Arrestors

  • Protection: Provides a path to ground for high voltage surges, typically caused by lightning, thus protecting the electrical systems from damage.
  • Insulation Safety: Helps in maintaining the integrity of insulation by diverting the lightning surge to the ground.
  • Voltage Control: Controls the voltage level within the system by providing a low impedance path to ground.

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