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  ITU-T A.5 justification information for referenced document EN 50174-2 in draft K.73
1. Clear description of the referenced document:
Name: EN 50174-2
Title: Information technology – Cabling installation – Part 2: Installation planning and practices inside buildings.
2. Status of approval:
Approved by CENELEC in 2018.
3. Justification for the specific reference:
It is the reference standard available specifying cabling installation for Information Technology.
4. Current information, if any, about IPR issues:
CENELEC IPR nformation is available at http://www.cenelec.eu.
5. Other useful information describing the "Quality" of the document:
The status of the referred CENELEC document is "approved standards".
6. The degree of stability or maturity of the document:
The status of the referred CENELEC document is published standard.
7. Relationship with other existing or emerging documents:
None
8. Any explicit references within that referenced document should also be listed:
EN 13501-6, Fire classification of construction products and building elements – Part 6: Classification using data from reaction to fire tests on electric cables/
EN 50085-1, Cable trunking systems and cable ducting systems for electrical installations – Part 1: General requirements/
EN 50085-2-X (all parts), Cable trunking systems and cable ducting systems for electrical installations /
EN 50173-1:2018, Information technology – Generic cabling systems – Part 1: General requirements/
EN 50173-2, Information technology – Generic cabling systems – Part 2: Office spaces/
EN 50173-3:2018, Information technology – Generic cabling systems – Part 3: Industrial spaces/
EN 50173-4, Information technology – Generic cabling systems – Part 4: Homes/
EN 50173-5, Information technology – Generic cabling systems – Part 5: Data centre spaces/
EN 50173-6, Information technology – Generic cabling systems – Part 6: Distributed building services/
EN 50174-1:2018, Information technology – Cabling installation – Part 1: Installation specification and quality assurance/
EN 50174-3, Information technology – Cabling installation – Part 3: Installation planning and practices outside buildings/
EN 50288 (all parts), Multi-element metallic cables used in analogue and digital communication and control/
EN 50310, Telecommunications bonding networks for buildings and other structures/
EN 50491 (all parts), General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)/
EN 50491-6-1:2014, General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) – Part 6-1: HBES installations – Installation and planning/
EN 50600-2-4, Information technology – Data centre facilities and infrastructures – Part 2-4: Telecommunications cabling infrastructure/
EN 50600-2-5, Information technology – Data centre facilities and infrastructures – Part 2-5: Security systems/
EN 60079-0, Explosive atmospheres – Part 0: Equipment – General requirements (IEC 60079-0:2004)/
EN 60079-14, Explosive atmospheres – Part 14: Electrical installations design, selection and erection (IEC 60079-14)/
EN 60079-17, Explosive atmospheres – Part 17: Electrical installations inspection and maintenance/
(IEC 60079-17)/
EN 60332-1-2, Tests on electric and optical fibre cables under fire conditions – Part 1-2: Test for vertical flame propagation for a single insulated wire or cable – Procedure for 1 kW pre-mixed flame (IEC 60332-1-2)/
EN 60529, Degrees of protection provided by enclosures (IP Code) (IEC 60529)/
EN 60825-2, Safety of laser products – Part 2: Safety of optical fibre communication systems (OFCS) (IEC 60825-2)/
EN 61000-6, (all parts), Electromagnetic compatibility (EMC) – Part 6: Generic standards (IEC 61000-6 (all parts))/
EN 61300-3-35, Fibre optic connecting devices and passive components - Basic test and measurements procedures. Examinations and measurements – Fibre optic connector endface visual and automated inspection/
EN 61386-1, Conduit systems for cable management – Part 1: General requirements (IEC 61386-1)/
EN 61386-2X, (all parts), Conduit systems for cable management – Part 2X: Particular requirements (IEC 61386-2X all parts)/
EN 61534 (all parts), Powertrack systems (IEC 61534 all parts)/
EN 61537, Cable management – Cable tray systems and cable ladder systems (IEC 61537)/
EN 61558-1, Safety of power transformers, power supplies, reactors and similar products – Part 1: General requirements and tests (IEC 61558-1)/
EN 61643 (all parts), Low voltage surge protective devices (IEC 61643 all parts, modified)/
EN 61784-1, Industrial communication networks – Profiles – Part 1: Fieldbus profiles (IEC 61784-1)/
EN 61784-2, Industrial communication networks – Profiles – Part 2: Additional fieldbus profiles for realtime networks based on ISO/IEC 8802-3 (IEC 61784-2)/
EN 61784-3, Industrial communication networks – Profiles – Part 3: Functional safety fieldbuses – General rules and profile definitions (IEC 61784-3)/
EN 61784-3-1, Industrial communication networks – Profiles – Part 3-1: Functional safety fieldbuses - Additional specifications for CPF 1 (IEC 61784-3-1)/
EN 61784-5, Industrial communication networks – Profiles (IEC 61784-5 series)/
EN 61918, Industrial communication networks – Installation of communication networks in industrial premises (IEC 61918)/
EN 62305-4, Protection against lightning – Part 4: Electrical and electronic systems within structures (IEC 62305-4)/
EN 62368-1, Audio/video, information and communication technology equipment – Part 1: Safety/
requirements (IEC 62368-1:2014)/
EN 62368-3, Audio/video, information and communication technology equipment – Safety – Part 3: DC power transfer through information technology communication cabling (IEC 62368-3)/
EN 62949, Particular safety requirements for equipment to be connected to information and communication networks (IEC 62949)/
HD 60364 (all parts), Low-voltage electrical installations (IEC 60364 series, modified)/
HD 60364-1, Low-voltage electrical installations – Part 1: Fundamental principles, assessment of general characteristics, definitions (IEC 60364-1, modified)/
HD 60364-4-41:2017, Low-voltage electrical installations – Part 4-41: Protection for safety – Protection against electric shock (IEC 60364-4-41:2005, modified + A1:2017, modified)/
HD 60364-4-443, Electrical installations of buildings – Part 4-44: Protection for safety – Protection against voltage disturbances and electromagnetic disturbances – Clause 443: Protection against overvoltages of atmospheric origin or due to switching (IEC 60364-4-44 (Clause 443), modified)/
HD 60364-5 (all parts), Electrical installation of buildings – Part 5: Selection and erection of electrical equipment (IEC 60364-5 (all parts), modified)/
HD 60364-5-534, Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Isolation, switching and control – Clause 534: Devices for protection against overvoltages (IEC 60364-5-53 (Clause 534), modified)/
9. Qualification of CENELEC:
Qualified at SG15 meeting in 2012 September.
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5