PROTECTION OF STRUCTURES AGAINST LIGHTNING
National amendment No. 1 : 13 January 1997
SABS IEC 1024-1 -1 : 1993
PROTECTION OF STRUCTURES AGAINST LIGHTNING
PART 1 : GENERAL PRINCIPLES
SECTION 1 : GUIDE A - SELECTION OF PROTECTION LEVELS
FOR LIGHTNING PROTECTION SYSTEMS
National amendment No. 1 : 13 January 1997
SABS IEC 1024-1 -1 : 1993
PROTECTION OF STRUCTURES AGAINST LIGHTNING
PART 1 : GENERAL PRINCIPLES
SECTION 1 : GUIDE A - SELECTION OF PROTECTION LEVELS
FOR LIGHTNING PROTECTION SYSTEMS