Lightning protection guide by OBO

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Last revision 2020

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

Strana 224 z 288

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1.3.g. All cable glands must also shielded. sheet steels or copper foils).3 Building and area shielding Critical infrastructures such data centres, power stations, chemical plants and electricity and water supply systems can protected from the effects of electromagnetic waves creating shielded areas.External lightning protection system Earthing system Main earthing busbar Transmitter Capacitive coupling Data cable Capacitive coupling due direct lightning strike "Capacitive coupling" Capacitive coupling occurs where there voltage between two points with high difference potential. 3. TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 224 Chapter The internal lightning protection system . Charge transferred through the medium between the two points attempt even out the potentials; this creates surge voltage. This done covering all walls, the ceiling and the floor with conductive materials (e. Doors and windows must connected with the wall shielding via spring contacts