SN EN 62305-4 : 2006

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Design and installation of a LEMP protection
  measures system (LPMS)
  4.1 Design of an LPMS
  4.2 Lightning protection zones (LPZ)
  4.3 Basic protection measures in an LPMS
5 Earthing and bonding
  5.1 Earth termination system
  5.2 Bonding network
  5.3 Bonding bars
  5.4 Bonding at the boundary of an LPZ
  5.5 Material and dimensions of bonding components
6 Magnetic shielding and line routing
  6.1 Spatial shielding
  6.2 Shielding of internal lines
  6.3 Routing of internal lines
  6.4 Shielding of external lines
  6.5 Material and dimensions of magnetic shields
7 Coordinated SPD protection
8 Management of an LPMS
  8.1 LPMS management plan
  8.2 Inspection of an LPMS
  8.3 Maintenance
Annex A (informative) Basics for evaluation of
                      electromagnetic environment in
                      a LPZ
Annex B (informative) Implementation of LEMP protection
                      measures for electronic systems in
                      existing structures
Annex C (informative) SPD coordination
Annex D (informative) Selection and installation of
                      a coordinated SPD protection
Bibliography

Gives information for the design, installation, inspection, maintenance and testing of a LEMP protection measures system (LPMS) for electrical and electronic systems within a structure, able to reduce the risk of permanent failures due to lightning electromagnetic impulse.