JIS C2814-2-2-2001 家用和類似用途的低壓電路連接裝置.第2-2部分.作為無螺釘夾緊裝置的獨立實體的連接裝置的特殊要求
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