DS EN 50085-2-2:2009 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 Defines requirements and tests for cable trunking systems (CTS) and cable ducting systems (CDS) intended for the accommodation, and where necessary for the electrically protective separation, of insul