JIS C0364-4-442 AMD 2-2002 建筑物的电气设施.第4部分:安全防护.44章:过电压保护.442节:低压系统对高压系统与地之间故障的防护(修改件 2)
Electrical installations of buildings -- Part 4: Protection for safety -- Chapter 44: Protection against overvoltages -- Section 442: Protection of low-voltage installations against faults between high-voltage systems and earth (Amendment 2)