Table of Contents

 1     Scope          
2      References
 3     Definitions
        3.1     Terms defined elsewhere       
        3.2     Terms defined in this Recommendation           
 5     Conventions            
 6     General consideration         
 7     Protection under no earthing connection    
        7.1     Protection for electric safety 
        7.2     Lightning protection  
 8     Protection under long earthing conductor   
        8.1     Consideration of hazards         
        8.2     Protection measures
 9     Protection under high earth resistance         
Annex A – Enclosure live voltage detection    
Appendix I Possible hazards of electric shock for SSIs in a.c. TN system    
Appendix II Possible hazards of electric shock for SSIs in a.c. TT or IT system    
Appendix III Possible hazards of electric shock for SSIs powered  by up to 400VDC IT system    
Bibliography