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ALPS ESE Installation Guide

As an Early Streamer Emission device is a lightning protection system, it's essential that installation is performed by trained professionals and under the correct regulations and standards available.

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  • The tip of the ESE shall be installed at least 2 meters over the area that it protects (including antennas, refrigerating towers, roofs, and tanks)

  • Each lightning rod shall be connected to at least two down conductors.

  • The receiving antennas (TV, radio, telephone) should be connected directly or through an SPD or an isolated spark gap to the lightning protection system with a suitable conductor.

  • The coaxial cable of the antennas should be protected with a surge protective device.

  • The metallic elements above the roof should be connected to the closest down conductor.

  • The routing of the down-conductor should be as straight as possible, following the shortest path, and avoiding sharp bends or upward sections.

  • The bend radius should not be less than 20cm.

  • Down-conductors will be placed preferably at the outer part of the structure (whenever possible), avoiding the proximity of electrical or gas conductors.

  • Install a lightning counter in one of the down conductors to facilitate the maintenance of the installation.

  • The grounding system should be placed in a registry cage in order to do periodic inspections.

  • The registry cage (or, in its absence each down-conductor) should be provided with a test joint in order to disconnect the earth termination system for enabling measurements.

  • The resistance value measured using standard equipment should be as low as possible (less than 10 Ω).

  • This resistance should be measured on the earthing termination insulated from any other conductive component.

  • All earthing systems for the same structure should be interconnected.

*This image doesn't represent a real-world installation

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