Optical Fibre Cables - Part 1-215: Generic specification - Basic optical cable test procedures - Environmental test methods - Cable external freezing test, Method F15 (IEC 60794-1-215:2020)

This part of IEC 60794-1 defines test procedures to be used in establishing uniform
requirements for the environmental performance of
• optical fibre cables for use with telecommunication equipment and devices employing similar
techniques, and
• cables having a combination of both optical fibres and electrical conductors.
Throughout this document, the wording "optical cable" can also include optical fibre units,
microduct fibre units, etc.
This document defines a test standard to determine the ability of a cable to withstand the effects
of freezing water that can immediately surround the optical fibre cable sheath by observing any
changes in the physical appearance of the sheath, or in the measured cable optical attenuation.
Method F15A is a test standard to simulate freezing of the medium surrounding a buried cable,
as in wet earth or water. Method F15A is moved from method F15 in IEC 60794-1-22:2017
without any technical changes.
Method F15B is a test standard to simulate freezing of the medium surrounding an outside cable
in a rigid conduit (duct) which is made of rigid material, for example steel. Method F15B includes
the solution to prevent the cable from being crushed when experiencing freezing conditions in
a rigid conduit (duct) which are pressure absorber pads and any other suggested means of
cable protection.
A reference guide to test methods of all types as well as general requirements can be found in
IEC 60794-1-2.

Lichtwellenleiterkabel - Teil 1-215: Fachgrundspezifikation - Grundlegende Prüfverfahren für Lichtwellenleiterkabel - Prüfverfahren zur Umweltprüfung - Prüfung des äußeren Gefrierens von Kabeln, Verfahren F15 (IEC 60794-1-215:2020)

Câbles à fibres optiques - Partie 1-215: Spécification générique - Procédures fondamentales d'essais des câbles optiques - Méthodes d’essais d’environnement - Essai de résistance au gel en extérieur des câbles, méthode F15 (IEC 60794-1-215:2020)

IEC 60794-1-215:2020 définit les procédures d’essai à utiliser pour définir des exigences harmonisées pour les performances environnementales: - des câbles à fibres optiques destinés à être utilisés avec les équipements et dispositifs de télécommunications employant des techniques similaires; et - des câbles combinant fibres optiques et conducteurs électriques. Dans le présent document, le terme « câble optique » peut également englober les unités de fibres optiques, les unités de fibres en microconduit, etc. Le présent document définit une norme d’essai pour déterminer la capacité d’un câble à résister aux effets de l’eau gelée pouvant se situer au voisinage immédiat de la gaine d’un câble à fibres optiques, en observant les quelconques variations d’aspect physique de la gaine, ou les quelconques variations de l’affaiblissement mesuré sur le câble. La méthode F15A est une norme d’essai pour simuler le gel du milieu entourant un câble enfoui, par exemple de la terre humide ou de l’eau. La méthode F15A est déplacée de la méthode F15 de l’IEC 60794-1-22:2017 sans aucune modification technique. La méthode F15B est une norme d’essai pour simuler le gel du milieu entourant un câble extérieur dans un conduit (gaine) rigide fabriqué dans un matériau rigide, par exemple l’acier. La méthode F15B inclut la solution qui évite l’écrasement du câble lorsqu’il est soumis à des conditions de gel dans un conduit (gaine) rigide, qui consiste en des tampons d’absorption de la pression et les quelconques autres moyens de protection du câble suggérés. Un guide de référence répertoriant les méthodes d’essai de tous types, ainsi que les exigences générales, peut être consulté dans l’IEC 60794-1-2.

Optični kabli - 1-215. del: Splošna specifikacija - Osnovni preskusni postopki za optične kable - Okoljske preskusne metode - Kabelski zunanji preskus zamrzovanja, metoda F15 (IEC 60794-1-215:2020)

General Information

Status
Published
Publication Date
03-Sep-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
28-Aug-2020
Due Date
02-Nov-2020
Completion Date
04-Sep-2020

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SLOVENSKI STANDARD
SIST EN IEC 60794-1-215:2020
01-november-2020

Optični kabli - 1-215. del: Splošna specifikacija - Osnovni preskusni postopki za

optične kable - Okoljske preskusne metode - Kabelski zunanji preskus
zamrzovanja, metoda F15 (IEC 60794-1-215:2020)

Optical Fibre Cables - Part 1-215: Generic specification - Basic optical cable test

procedures - Environmental test methods - Cable external freezing test, Method F15

(IEC 60794-1-215:2020)

Lichtwellenleiterkabel - Teil 1-215: Fachgrundspezifikation - Grundlegende Prüfverfahren

für Lichtwellenleiterkabel - Prüfverfahren zur Umweltprüfung - Prüfung des äußeren

Gefrierens von Kabeln, Verfahren F15 (IEC 60794-1-215:2020)
Câbles à fibres optiques - Partie 1-215: Spécification générique - Procédures
fondamentales d'essais des câbles optiques - Méthodes d’essais d’environnement -
Essai de résistance au gel en extérieur des câbles, méthode F15 (IEC 60794-1-
215:2020)
Ta slovenski standard je istoveten z: EN IEC 60794-1-215:2020
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
SIST EN IEC 60794-1-215:2020 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 60794-1-215:2020
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SIST EN IEC 60794-1-215:2020
EUROPEAN STANDARD EN IEC 60794-1-215
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2020
ICS 33.180.10
English Version
Optical fibre cables - Part 1-215: Generic specification - Basic
optical cable test procedures - Environmental test methods -
Cable external freezing test, Method F15
(IEC 60794-1-215:2020)

Câbles à fibres optiques - Partie 1-215: Spécification Lichtwellenleiterkabel - Teil 1-215: Fachgrundspezifikation -

générique - Procédures fondamentales d'essais des câbles Grundlegende Prüfverfahren für Lichtwellenleiterkabel -

optiques - Méthodes d'essais d'environnement - Essai de Umweltprüfverfahren - Prüfung des äußeren Gefrierens von

résistance au gel en extérieur des câbles, méthode F15 Kabeln, Verfahren F15
(IEC 60794-1-215:2020) (IEC 60794-1-215:2020)

This European Standard was approved by CENELEC on 2020-07-31. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the

Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, 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

© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 60794-1-215:2020 E
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SIST EN IEC 60794-1-215:2020
EN IEC 60794-1-215:2020 (E)
European foreword

The text of document 86A/2008/FDIS, future edition 1 of IEC 60794-1-215, 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 60794-1-215:2020.
The following dates are fixed:

• latest date by which the document has to be implemented at national (dop) 2021-05-01

level by publication of an identical national standard or by endorsement

• latest date by which the national standards conflicting with the (dow) 2023-07-31

document have to be withdrawn

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 60794-1-215:2020 was approved by CENELEC as a

European Standard without any modification.
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SIST EN IEC 60794-1-215:2020
EN IEC 60794-1-215:2020 (E)
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 60793-1-46 - Optical fibres - Part 1-46: Measurement EN 60793-1-46 -
methods and test procedures - Monitoring
of changes in optical transmittance
IEC 60794-1-1 - Optical fibre cables - Part 1-1: Generic EN 60794-1-1 -
specification - General
IEC 60794-1-2 - Optical fibre cables - Part 1-2: Generic - -
specification - Basic optical cable test
procedures - General guidance
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SIST EN IEC 60794-1-215:2020
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SIST EN IEC 60794-1-215:2020
IEC 60794-1-215
Edition 1.0 2020-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Optical fibre cables –
Part 1-215: Generic specification – Basic optical cable test procedures –
Environmental test methods – Cable external freezing test, Method F15
Câbles à fibres optiques –
Partie 1-215: Spécification générique – Procédures fondamentales d’essais des
câbles optiques – Méthodes d’essais d’environnement – Essai de résistance au
gel en extérieur des câbles, méthode F15
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.10 ISBN 978-2-8322-8570-1

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN IEC 60794-1-215:2020
– 2 – IEC 60794-1-215:2020 © IEC 2020
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 7

4 Method F15A – Cable external freezing test for a buried cable as in wet earth or

water ............................................................................................................................... 7

4.1 Object ..................................................................................................................... 7

4.2 Sample ................................................................................................................... 7

4.3 Apparatus ............................................................................................................... 7

4.4 Procedure ............................................................................................................... 8

4.5 Requirements ......................................................................................................... 8

4.6 Details to be specified ............................................................................................. 8

5 Method F15B – Cable external freezing test in a rigid conduit (duct) ................................ 8

5.1 Object ..................................................................................................................... 8

5.2 Sample ................................................................................................................... 8

5.3 Apparatus ............................................................................................................... 9

5.4 Procedure ............................................................................................................... 9

5.5 Requirements ....................................................................................................... 10

5.6 Details to be specified ........................................................................................... 10

Annex A (informative) Example of freezing pressure absorber elements .............................. 11

Bibliography .......................................................................................................................... 13

Figure 1 – Example of F15B apparatus of cable external freezing test in a rigid conduit .......... 9

Figure A.1 – Example of freezing pressure absorber elements .............................................. 11

Figure A.2 – Cross section of the rigid conduit with an optical cable and freezing

pressure absorber elements when the water freezing ............................................................ 12

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SIST EN IEC 60794-1-215:2020
IEC 60794-1-215:2020 © IEC 2020 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPTICAL FIBRE CABLES –
Part 1-215: Generic specification –
Basic optical cable test procedures –
Environmental test methods –
Cable external freezing test, Method F15
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international

co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and

in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,

Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their

preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with

may participate in this preparatory work. International, governmental and non-governmental organizations liaising

with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for

Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence between

any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.

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assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent

rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 60794-1-215 has been prepared by subcommittee 86A: Fibres and

cables, of IEC technical committee 86: Fibre optics.
The text of this International Standard is based on the following documents:
FDIS Report on voting
86A/2008/FDIS 86A/2026/RVD

Full information on the voting for the approval of this International Standard can be found in the

report on voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

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SIST EN IEC 60794-1-215:2020
– 4 – IEC 60794-1-215:2020 © IEC 2020

A list of all parts in the IEC 60794 series, published under the general title Optical fibre cables,

can be found on the IEC website.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct understanding

of its contents. Users should therefore print this document using a colour printer.

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SIST EN IEC 60794-1-215:2020
IEC 60794-1-215:2020 © IEC 2020 – 5 –
INTRODUCTION

This part of IEC 60794 defines a test method to determine the ability of a cable to withstand the

effects of freezing water that can immediately surround the optical fibre cable sheath by

observing any changes in the physical appearance of the sheath, or in the measured cable

optical attenuation. The cable external freezing test in a rigid conduit (duct) is an item of F15

under consideration in IEC 60794-1-22:2017.

This document includes method F15 of IEC 60794-1-22:2017 as F15A: Cable external freezing

test for a buried cable, as in wet earth or water. There is no technical change in F15A. F15B is

a new introduced method. The numbering of these tests continues the F-series numbering

sequence of IEC 60794-1-22:2017.

The number of IEC 60794-1-215 is in line with the new numbering system of test methods as

planned in IEC 60794-1-2 .
___________

Fifth edition under preparation. Stage at the time of publication: IEC/CC 60794-1-2:2020.

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