Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 160 z 288

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As earth rods enter soil strata of constant moisture and temperat- ure, this produces constant resist- ance values. When earth rod driven in, this compacts the ground around it.1 Earth rods Earth rods are differentiated according the type of connection the individual earth rods, the external diameter and the material. Striking tools are generally used for driving the earth rods. You can find more information the selection and accessories the current installation manual for earth rods from OBO. TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 160 Chapter The external lightning protection system .Type: OMEX Type: BP Type: Standard Type: LightEarth Earth rod versions 2. Earth rods consist combinable individual rods of length 1.4. This has the ad- vantage that the coupling closes automatically the time installation and creates secure connection from both mechanical and electrical point of view.5 The connection made using coup- ling consisting hole and stud. This conducive good electrical contact. The possible penetration depth the earth rods depends various geological factors.4