Lightning protection guide by OBO

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Last revision 2020

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

Strana 97 z 288

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Distance (a) between the down-conductors Lightning protection class Distance between the down-conductors I m II m III m IV m Table 2. order achieve optim- um splitting the lightning current, the conductors must evenly distributed around the outer walls of the building.1 Number and arrangement The conductors should preferably installed near the corners the building.22: Distances between down-conductors for dif- ferent lightning protection classes A measuring point must cre- ated the point where each down conductor meets the earthing sys- tem.2.1 Planning methods The down-conductors connect the air-termination sys- tem with the earthing system via short, direct con- nection. enable easy identification, the measuring points should be marked, for example with num- bers. 2. This means that possible run the conductors behind heat insulation composite sys- tems and fire locks, for example.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 2. Measuring point the point entry into the earth 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 97 Chapter The external lightning protection system .1. The reduction the lightning current results smal- ler temperature rise the metallic elements there is a lightning strike.2