supports, through con-
nected reinforcement)
• Metal parts (e.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
TBS
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68
Chapter The external lightning protection system
.g.1.g.Natural components (here: metal roof parapet) for air-termination systems, IEC 62305-3
2. rain gutters, ornamentation, rail-
ings)
• Metallic pipes and tanks
Electrical continuity between the various parts must be
permanently guaranteed (e.4 Use natural components
If there are conductive elements the roof, can
make sense use these natural air-termination
systems. through hard soldering,
welding, crushing, beading, screwing riveting).
Examples natural components for air-termination
systems according IEC 62305-3 can include:
• Panelling with metal plate (e.g. this case, the light-
ning protection class irrelevant the selection a
natural air-termination system. parapet)
• Metallic components (e.
What essential that there conductive con-
nection into the building interior
