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ANSI A300 (Part 4) Lightning Protection System

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Description

This part of the A300 standards applies to installation and maintenance of Lightning Protection Systems in Trees. Part 4 Lightning Protection Systems addresses:

  • Tools and equipment
  • Materials
  • Conductors
  • Connectors and Fasteners
  • Ground terminals
  • Installation practices

 A300 Part 4 Lightning Protection Systems standards recognize three basic ground systems:

  • Single ground rod: A ground termi­nal composed of one ground rod.
  • Multiple ground system: A ground termi­nal composed of two or more ground rods or copper ground plates.
  • Horizontal ground system: A ground termi­nal composed of ground rod(s) or copper ground plate(s) that are not fully driven or installed in the ground due to site conditions.