EN 60998-2-1-2004 家用及类似用途低压电路连接设备.第2-1部分:带螺旋式夹紧装置的独立机构连接装置的特殊要求 IEC 60998-2-1-2002,修改件
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