DS EN 50090-9-1:2004
DS EN 50090-9-1:2004 Home And Building Electronic Systems (Hbes) - Part 9-1: Installation Requirements - Generic Cabling For Hbes Class 1 Twisted Pair Describes common rules for the planning and engineering as well as installation of HBES cabling systems taking into account the layout of the cable support, cables and connectors, and the commissionin