
Electrical installations of buildings Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 442: Protection of low-voltage installations against temporary overvoltages and faults between high-voltage systems and eart
出版:International Electrotechnical Committee

专家解读视频
Gives rules to ensure the safety of persons and equipment in a LV system if a fault occurs between the HV system and earth in the HV part of transformer stations which supply low-voltage systems.
JIS C 0364-4-442:1999 - Identical
GB 16895.11-2001 - Identical
NBN EN 2378:1995 - Identical
PN IEC 60364-4-442:1999 - Identical