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SLOVENSKI STANDARD
01-januar-2019
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Optical fibre cables - Part 4-20: Sectional specification - Aerial optical cables along
electrical power lines - Family specification for ADSS (all dielectric self-supported) optical
cables (IEC 60794-4-20:2018)
Lichtwellenleiterkabel - Teil 4-20: Lichtwellenleiter-Luftkabel auf Starkstrom-Freileitungen
- Familienspezifikation für ADSS-LWL-Kabel (dielektrische, selbsttragende LWL-Kabel)
(IEC 60794-4-20:2018)
Câbles à fibres optiques - Partie 4-20: Spécification intermédiaire - Câbles optiques
aériens le long des lignes électriques de puissance - Spécification de famille pour les
câbles optiques autoporteurs entièrement diélectriques (ADSS) (IEC 60794-4-20:2018)
Ta slovenski standard je istoveten z: EN IEC 60794-4-20:2018
ICS:
33.180.10 2SWLþQD YODNQDLQNDEOL Fibres and cables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 60794-4-20
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2018
ICS 33.180.10 Supersedes EN 60794-4-20:2012
English Version
Optical fibre cables - Part 4-20: Sectional specification - Aerial
optical cables along electrical power lines - Family specification
for ADSS (all dielectric self-supported) optical cables
(IEC 60794-4-20:2018)
Câbles à fibres optiques - Partie 4-20: Spécification Lichtwellenleiterkabel - Teil 4-20: Lichtwellenleiter-Luftkabel
intermédiaire - Câbles optiques aériens le long des lignes auf Starkstrom-Freileitungen - Familienspezifikation für
électriques de puissance - Spécification de famille pour les ADSS-LWL-Kabel (dielektrische, selbsttragende LWL-
câbles optiques autoporteurs entièrement diélectriques Kabel)
(ADSS) (IEC 60794-4-20:2018)
(IEC 60794-4-20:2018)
This European Standard was approved by CENELEC on 2018-10-02. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60794-4-20:2018 E
European foreword
The text of document 86A/1867/FDIS, future edition 2 of IEC 60794-4-20, prepared by SC 86A "Fibres
and cables" of IEC/TC 86 "Fibre optics" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN IEC 60794-4-20:2018.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2019-07-02
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2021-10-02
document have to be withdrawn
This document supersedes EN 60794-4-20:2012.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 60794-4-20:2018 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60060-1:2010 NOTE Harmonized as EN 60060-1:2010 (not modified)
IEC 60794-1-2 NOTE Harmonized as EN 60794-1-2
IEC 60794-3-20 NOTE Harmonized as EN 60794-3-20
IEC 60794-4 series NOTE Harmonized as EN 60794-4 series
IEC 61395 NOTE Harmonized as EN 61395
IEC 61935 series NOTE Harmonized as EN 61935 series
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60793-2 - Optical fibres - Part 2: Product EN 60793-2 -
specifications - General
IEC 60793-2-50 - Optical fibres - Part 2-50: Product EN 60793-2-50 -
specifications - Sectional specification for
class B single-mode fibres
IEC 60794-1-1 - Optical fibre cables - Part 1-1: Generic EN 60794-1-1 -
specification - General
IEC 60794-1-21 2015 Optical fibre cables - Part 1-21: Generic EN 60794-1-21 2015
specification - Basic optical cable test
procedures - Mechanical tests methods
IEC 60794-1-22 - Optical fibre cables - Part 1-22: Generic EN IEC 60794-1-22 -
specification - Basic optical cable test
procedures - Environmental test methods
IEC 60794-4 - Optical fibre cables - Part 4: Sectional EN IEC 60794-4 -
specification - Aerial optical cables along
electrical power lines
ISO 9001 - Quality management systems - EN ISO 9001 -
Requirements
IEC 60794-4-20
Edition 2.0 2018-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Optical fibre cables –
Part 4-20: Sectional specification – Aerial optical cables along electrical power
lines – Family specification for ADSS (all dielectric self-supported) optical cables
Câbles à fibres optiques –
Partie 4-20: Spécification intermédiaire – Câbles optiques aériens le long des
lignes électriques de puissance – Spécification de famille pour les câbles
optiques autoporteurs entièrement diélectriques (ADSS)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.10 ISBN 978-2-8322-5907-8
– 2 – IEC 60794-4-20:2018 © IEC 2018
CONTENTS
FOREWORD. 4
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviated terms . 7
4 Optical fibres . 7
5 Cable elements . 7
6 Optical fibre cable constructions . 7
6.1 General . 7
6.2 Cable protection elements . 7
7 Main requirements for installation and operating conditions . 8
8 Cable design considerations . 8
9 Cable tests . 9
9.1 General . 9
9.2 Tensile performance . 9
9.2.1 General . 9
9.2.2 Family requirement . 9
9.2.3 Test conditions . 9
9.3 Sheave test . 9
9.3.1 General . 9
9.3.2 Family requirement . 9
9.3.3 Test conditions . 9
9.4 Repeated bending . 10
9.4.1 General . 10
9.4.2 Family requirements . 10
9.4.3 Test conditions . 10
9.5 Impact . 10
9.5.1 General . 10
9.5.2 Family requirements . 10
9.5.3 Test conditions . 10
9.6 Crush . 10
9.6.1 General . 10
9.6.2 Test requirements . 11
9.6.3 Test conditions . 11
9.7 Torsion . 11
9.7.1 General . 11
9.7.2 Test requirements . 11
9.8 Aeolian vibration test . 11
9.8.1 General . 11
9.8.2 Family requirements . 11
9.8.3 Test conditions . 11
9.8.4 Parameters to be reported . 11
9.9 Low frequency vibration test (galloping test) . 12
9.9.1 General . 12
9.9.2 Family requirements . 12
9.9.3 Test conditions . 12
IEC 60794-4-20:2018 © IEC 2018 – 3 –
9.10 Temperature cycling . 12
9.10.1 General . 12
9.10.2 Family requirements . 12
9.10.3 Test conditions . 12
9.11 Water penetration . 13
9.12 Cable UV resistance . 13
9.13 Tracking and erosion resistance test .
...