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DIN norm
IEC Norm

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0 Foreword
1 Lightning discharges
2 General acknowledged rules of technology for installing lightning protection systems on structures
3 Necessity of installing lightning protection systems
4 Components of a lightning protection system
5 Planning support
6 External lightning protection system
7 Internal lightning protection system
8 Lightning protection systems for special structures
9 Protection of electrical and electronic systems against LEMP
10
- 10.1 SPDs in low-voltage installations
- 10.2 SPDs in photovoltaic installations
  - 10.2.1 Installation location and test class
  - 10.2.2 Maximum continuous operating voltage
  - 10.2.3 Type of protection and voltage protection level
  - 10.2.4 Dimensioning the connecting cables for PV SPDs
  - 10.2.5 Calculating the cross-sectional areas of PV SPDs
  - 10.2.6 Short-circuit current at the installation location and short-circuit withstand capability
  - 10.2.7 Coordination of PV SPDs
- 10.3 SPDs in telecommunications and signal-processing networks
11 Protection concepts

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10.2.3 Type of protection and voltage protection level

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