IEC 61084-2-2:2017
電氣裝置用電纜中繼系統和電纜管道系統. 第2-2部分: 詳細要求. 用于安裝在地板下方, 地板或地板上方的電纜中繼系統和電纜管道系統
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