IEC 61084-2-2-2017
电气装置用电缆中继系统和电缆管道系统. 第2-2部分: 详细要求. 用于安装在地板下方, 地板或地板上方的电缆中继系统和电缆管道系统
Cable trunking systems and cable ducting systems for electrical installations - Part 2-2: Particular requirements - Cable trunking systems and cable ducting systems intended for mounting underfloor, flushfloor, or onfloor