NEN EN 50174-3 : 2013 AMD 1 2017

Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Safety requirements
  4.1 Prerequisite
  4.2 Protection against electric shock
  4.3 Protection from voltages due to the proximity of
       high voltage systems
  4.4 Fire and chemical hazard
  4.5 Explosive and asphyxiating gases
  4.6 Optical fibre hazard
  4.7 Mechanical hazard
  4.8 Separation requirements for metallic cabling
  4.9 Closures
5 General installation practices for metallic and optical
  fibre cabling
  5.1 General
  5.2 General precautions
  5.3 Pre-installation practices
  5.4 Preparation of cable routes
  5.5 Cabling practices
  5.6 Cable management systems
  5.7 Labelling
  5.8 Installation of closures
  5.9 Segregation of services
  5.10 Information technology cabling interconnections
       between buildings
  5.11 Pole sharing
6 Additional installation practice for metallic cabling
  6.1 EMC-Considerations
  6.2 Balanced transmission
  6.3 Screening
  6.4 Mains and high voltage power distribution systems
       (above 1000 V)
  6.5 Protection against very low frequency fields
  6.6 Electrical isolation components
  6.7 Surge protective devices
  6.8 Protection against lightning
  6.9 Protection against electrostatic discharge (ESD)
  6.10 Corrosion
  6.11 Protection against radar emission and broadcast
       emitters
7 Additional installation practices for optical fibre
  cabling
  7.1 General
  7.2 Pre-installation procedures
  7.3 Optical fibre cable practices
  7.4 Final assembly of closures
  7.5 Termination practices
  7.6 Jointing/termination of optical fibres
  7.7 Optical fibre management
8 Additional installation practices for specific sites
  and services
  8.1 Hospitals
  8.2 Airports
  8.3 Nuclear areas
  8.4 Explosive areas
  8.5 Chemical manufacture/areas/plants
  8.6 Tunnels and bridges including their associated
       services
  8.7 Waterways, including rivers, canals, streams
       (natural or ducted/channelled etc.)
  8.8 Over-ground and underground railways
Annex A (informative) Earth potential rise (EPR)
Annex B (informative) Typical examples of protection
        for information technology cabling
Bibliography

Defines requirements and provides recommendations for the following aspects of information technology cabling: a) planning; b) installation practice.