DIN EN 50085-2-2-2009 电气装置用电缆中继系统和电缆导管系统.第2-2部分:安装地板、地板齐平或地板内部用电缆中继系统和电缆导管系统的详细要求. 德文版本EN 50085-2-2-2008
Cable trunking systems and cable ducting systems for electrical installations - Part 2-2: Particular requirements for cable trunking systems and cable ducting systems intended for mounting underfloor, flushfloor or onfloor; German version EN 50085-2-2:200