Lightning protection guide by OBO

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Last revision 2020

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

Strana 98 z 288

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If, for architectural reasons, the down-conductors can- not routed the surface, then they should in- stalled gaps the masonry, for example. Here, only the fastener tested. Fasteners Fasteners for conductors must tested according to IEC 62561-4.22. The following should noted this regard: • Plaster can damaged heat expansion. The artificial aging metallic fasteners is tested the artificial weathering plastic hold- ers, and mechanical load tests are also carried out.) with dimensions larger than the quadruple down-conductor distance should equipped with additional internal down-con- ductors with spacing far possible.Building with glass facade Down-conductors: special considerations If not possible arrange down-conductors on one side side part the building, then these down-conductors should installed the other sides. 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 98 Chapter The external lightning protection system . • Plaster may discoloured chemical reactions. equal importance is the correct mounting the appropriate holder, with the matching mounting material for different wall and ceiling materials. All the internal supports and all internal partition walls with conductive parts, such steel reinforcement rods, which not fulfil the conditions for the separa- tion distance, should connected the air-termina- tion system and the earthing system suitable points. General information: non-isolated downconductors/ connection internal supports Building structures with large area (such typical industrial plants, trade fair halls, etc. • Conductors with PVC jacketing avoid such stains. The distances between these down-conductors should not smaller than 1/3 the distances in Table 2