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