Lightning protection guide by OBO

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Last revision 2020

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

Strana 114 z 288

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g. To still able plan and install lightning protec- tion system according IEC/EN 62305-3, the cre- ation equipotential layers should taken into ac- count early the project planning. earthing system closest point the equipotential bonding) very long the calculation (see Table 2. external cameras, luminaires, supply lines, systems, etc.7) due the building dimen- sions. Creation equipotential areas, e. every 2nd or 3rd floor using: • Lightning protection equipotential bonding through suitable lightning arrestors and surge protection devices for power and communication units • Meshed earthing system according DIN 1804 • Meshed ceiling reinforcement (multiple times the building) 5 according DIN 62305-4 • Connection reinforcement every m • Lightning protection equipotential bonding all metallic electrical cables running into the equipo- tential levels (e.10 Equipotential areas the reference layer for calculating the separation distance high buildings In high buildings, conventional separation distance calculations can create separation distances which can longer implemented, the length the next reference level (e.2.1 2 3 1 2 3 Separation distance (s) Length L MEB Without equipotential areas With equipotential areas Separation distance for high buildings with and without equipotential area reference level 2.g.) TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 114 Chapter The external lightning protection system .g