g. this case, the light-
ning protection class irrelevant the selection a
natural air-termination system. rain gutters, ornamentation, rail-
ings)
• Metallic pipes and tanks
Electrical continuity between the various parts must be
permanently guaranteed (e.
What essential that there conductive con-
nection into the building interior. supports, through con-
nected reinforcement)
• Metal parts (e.
Examples natural components for air-termination
systems according IEC 62305-3 can include:
• Panelling with metal plate (e. through hard soldering,
welding, crushing, beading, screwing riveting).g.
Characteristic data that apply irrespective the
protection class:
• Minimum thickness metal plates pipes air-
termination systems
• Materials and their conditions use
• Materials, shape and minimum dimensions air-
termination systems, down-conductors and earthers
• Minimum dimensions connection cables
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Chapter The external lightning protection system
.1.4 Use natural components
If there are conductive elements the roof, can
make sense use these natural air-termination
systems.g. parapet)
• Metallic components (e.Natural components (here: metal roof parapet) for air-termination systems, IEC 62305-3
2.g
