BS EN 50174-3:2013+A1:2017 specifies requirements and provides recommendations for the following aspects of
information technology cabling:a) planning;b) installation practice.This European Standard is applicable to all types of information technology cabling outside buildings
including generic cabling systems designed in accordance with EN 50173 series. The requirements and
recommendations of this European Standard may be applied to cabling that is defined as part of the building.The requirements and recommendations of Clauses 4, 5 and 6 of this European Standard are subject to any
site-specific requirements and recommendations of Clause 7.The planning of the pathway systems, spaces and structures within the core and access network cabling as
described in Figure 2 that are owned by access providers is excluded except for requirements and
recommendations that provide basic safety, function and environmental objectives for mechanical, ingress
and climatic characteristics (i.e. excluding pathway dimensions, distribution of spaces and similar constraints
based on specific transmission methods).Cross References:EN 60794-1-2 (IEC 60794-1-2:2003) ASIEC 60794-1-2:2003EN 50173-1:2011EN 50411-2-9EN 60079-14EN 60794-3-12IEC 60079-14IEC 60079-0EN 50173-4EN 60079-0EN 60529IEC 60079-17EN 50174-1EN 50411-2-2IEC 60794-3EN 50085-2EN 60794-3-10EN 60079-17IEC 60332-1-2EN 50173-6EN 60794-3EN 60601-1-2EN 50085-1IEC 60794-3-11EN 50411-2-4IEC 60794-3-12EN 50411-2-5EN 50310EN 50173-2EN 50411-2-3EN 124:1994EN 60794-3-11IEC 60794-3-10IEC 60601-1-2EN 12613IEC 60529EN 50173-5EN 60332-1-2EN 50173-3EN 50174-2:2009EN 50174-2 Amd 1 Corr 1 (05/11)IEC 60050-826:2004EN 50174-2 Amd 1 (02/11)EN 50700EN 61140ITU-T K.12ITU-T K.44IEC 61140ITU-T K.109Incorporates the following:Amendment, March 2018