DIN VDE 0298-4:2013
电力装置中电缆和导线的应用.第4部分:建筑物内及周围固定铺设的铠装和非铠装电缆以及软电缆和软导线的载流量推荐值
Application of cables and cords in power installations - Part 4: Recommended current-carrying capacity for sheathed and nonsheathed cables for fixed wirings in and around buildings and for flexible cables and cords