HD 60364-4-442:2012

FOREWORD
INTRODUCTION
440.1 Scope
440.2 Normative references
441 (Vacant)
442 Protection of low-voltage installations against
      temporary overvoltages due to earth faults in
      the high-voltage system and due to faults in the
      low-voltage system
443 Protection against overvoltages of atmospheric
      origin or due to switching
444 Measures against electromagnetic influences
445 Protection against undervoltage
Annex A (informative) - Explanatory notes concerning
        442.1 and 442.2
Annex B (informative) - Guidance for overvoltage
        control by SPDs applied to overhead lines
Annex C (normative) - Determination of the conventional
        length, d
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications
Annex ZB (normative) - Special national conditions

The rules of this Part of IEC 60364 are intended to provide requirements for the safety of electrical installations in the event of voltage disturbances and electromagnetic disturbances generated for different specified reasons. This second edition of IEC 60364-4-44 cancels and replaces the first edition published in 2001, amendment 1 (2003) and amendment 2 (2006).