JIS C2814-2-2-2001 家用和类似用途的低压电路连接装置.第2-2部分.作为无螺钉夹紧装置的独立实体的连接装置的特殊要求
Connecting devices for low voltage circuits for household and similar purposes -- Part 2-2: Particular requirements for connecting devices as separate entities with screwless-type clamping units