Table of Contents

 1     Scope        
 2     References             
 3     Definitions
        3.1     Terms defined elsewhere      
        3.2     Terms defined in this Recommendation          
 4     Abbreviations         
 5     Responsibility         
        5.1     Building owner          
        5.2     Manufacturer           
        5.3     Network operator     
        5.4     Customer     
 6     Risk management  
        6.1     Sources of damage   
        6.2     Risk assessment        
        6.3     Risk reduction           
 7     Objectives for bonding configurations and earthing 
 8     Protection requirements    
        8.1     Equipotential bonding            
        8.2     a.c. power distribution and SPDs        
        8.3     Telecommunication lines and SPDs    
        8.4     Selection of SPDs for installation at the point of entry 
 9     Installation of SPDs (primary protectors)     
        9.1     Installation methods for SPDs (primary protection) for different power distribution systems    
        9.2     Examples of installation methods to achieve the requirements of short bond wires       
        9.3     Location of the telecommunication SPD          
        9.4     Safety issues
10     Multiservice surge protective devices         
       10.1     Single MSPD             
       10.2     Multiple MSPDs       
11     Implementation    
12     Large installations
Annex A – Installation methods for different power systems    
        A.1     Installation method for TN-S power distribution systems          
        A.2     Installation method for TN-C-S power distribution systems      
        A.3     Installation method for TN-C power distribution systems         
        A.4     Installation method for TT power distribution systems
        A.5     Installation method for IT power distribution systems 
Annex B – Solutions for earthing and bonding problems    
        B.1     Methods to improve earthing and bonding     
        B.2     Methods of providing additional protection external to the equipment
        B.3     Special resistibility and safety requirements   
Appendix I – Earthing and bonding scenarios    
Appendix II – Examples of mitigation measures for different power installations    
       II.1     TN-C and TN-C-S types            
       II.2     TT and IT types           
Appendix III – Surge current paths and resulting potential differences