GB/T 20636-2006
连接器件 电气铜导线 螺纹型和非螺纹型 夹紧件的安全要求 适用于35mm2以上至300mm2导线的特殊要求
Connecting device-Electrical copper conductors-Safety requirements for screw-type and screwless-type clamping units Particular requirements for conductors above 35mm up to 300mm
GBT20636-2006, GB20636-2006