JIS C2814-2-1-2009 家庭和类似用途的低压电路用连接装置.第2-1部分:作为单独实体的带螺纹式夹紧装置的连接器件用特殊要求
Connecting devices for low-voltage circuits for household and similar purposes -- Part 2-1: Particular requirements for connecting devices as separate entities with screw-type clamping units