Optical fibre cables - Part 1-401: Generic specification - Basic optical cable test procedures - Electrical test methods - Short-circuit test (for OPGW, OPPC and OPAC), Method H1 (IEC 60794-1-401:2021)

The short-circuit test is intended to assess the performance of the OPGW (optical ground wire) or OPPC (optical phase conductor) under typical short-circuit, or the impact on the performance of OPAC (optical attached cable) under short-circuit current on the messenger wire.

Lichtwellenleiterkabel - Teil 1-401: Fachgrundspezifikation - Grundlegende Prüfverfahren für Lichtwellenleiterkabel - Elektrische Prüfverfahren - Kurzschlussprüfung (für OPGW und OPAC), Verfahren H1 (IEC 60794-1-401:2021)

Câbles à fibres optiques - Procédures fondamentales d’essais des câbles optiques - Partie 401: Méthodes d’essais électriques - Essai de court-circuit (pour les OPGW, les OPPC et les OPAC), Méthode H1 (IEC 60794-1-401:2021)

IEC 60794-1-401:2021 s’applique à l'essai de court-circuit destiné à évaluer la performance d'un câble de garde à fibres optiques (OPGW) ou d’un conducteur de phase à fibres optiques (OPPC) en cas de court-circuit typique, ou l'impact sur la performance d'un câble optique attaché (OPAC) en cas de courant de court-circuit sur le fil porteur. Cette première édition annule et remplace la première édition de l'IEC 60794-1-24 publiée en 2014. Cette édition constitue une révision technique.Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:


       
  1. L’OPPC est inclus;

  2.    
  3. les méthodes d'essais ont été mises à jour.

Optični kabli - 1-401. del: Splošna specifikacija - Osnovni preskusni postopki za optične kable - Električne preskusne metode - Preskus kratkega stika (za OPGW, OPPC in OPAC), metoda H1 (IEC 60794-1-401:2021)

General Information

Status
Published
Publication Date
04-Oct-2021
Technical Committee
MOC - Mobile Communications
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
23-Sep-2021
Due Date
28-Nov-2021
Completion Date
05-Oct-2021

Relations

Effective Date
17-Aug-2021

Overview

EN IEC 60794-1-401:2021 - Short-circuit test (Method H1) - is a harmonized European/IEC standard that specifies electrical test procedures for optical fibre cables used on overhead power lines. It defines short-circuit test arrangements and measurement practices to assess the behaviour of OPGW (optical ground wire), OPPC (optical phase conductor) and OPAC (optical attached cable) when subject to short-circuit currents on the messenger or conductor.

Key topics and requirements

  • Scope and purpose: Evaluates OPGW/OPPC performance under typical short-circuit conditions, and the impact on OPAC when the messenger wire carries short-circuit current.
  • Test arrangements: Specifies both two-sample and one-sample test methods for OPGW/OPPC and a dedicated arrangement for OPAC. Figures and procedural steps describe sample mounting and current application.
  • Sample preparation:
    • Cable samples ≥ 10 m, terminated with appropriate fittings.
    • Optical test loop length > 100 m; loop should preferably include at least 24 fibres (or all fibres if fibre count is lower).
    • For multi-unit cables, measured fibres must be taken from all units in equal numbers.
  • Instrumentation and monitoring:
    • Thermocouples inserted into or attached to the optical unit and conductor strands to monitor temperatures of optical units and metallic members.
    • Optical attenuation (monitoring of changes in transmittance) measured according to IEC 60793-1-46.
  • Procedure and acceptance: The standard details the electrical test sequence and post-test measurements to determine whether optical and structural performance remain within specified limits.
  • Normative cross-references: IEC 60793-1-46 (optical attenuation monitoring) and IEC 60794-1-1 (general cable test specifications). Part of the IEC 60794-1-4xx series that isolates electrical test methods.

Applications

  • Manufacturer type testing and design validation for OPGW, OPPC and OPAC products.
  • Utility and transmission-line acceptance testing to confirm cable resilience during fault currents.
  • Qualification testing for product development, ensuring that fibre attenuation and mechanical integrity are maintained after short-circuit events.
  • Third‑party and laboratory testing to support compliance with procurement and safety specifications.

Who should use this standard

  • Cable manufacturers and R&D teams
  • Power utilities and transmission system operators
  • Independent test laboratories and certification bodies
  • Procurement engineers and standards/compliance teams

Related standards

  • IEC 60793-1-46 - Measurement methods for monitoring optical transmittance changes
  • IEC 60794-1-1 - Generic specification - General (series overview)
  • IEC 60794-1-4xx - Series housing individual electrical test methods

Keywords: optical fibre cables, short-circuit test, EN IEC 60794-1-401, Method H1, OPGW, OPPC, OPAC, optical attenuation, cable testing, IEC standard.

Standard

SIST EN IEC 60794-1-401:2021

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Frequently Asked Questions

SIST EN IEC 60794-1-401:2021 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Optical fibre cables - Part 1-401: Generic specification - Basic optical cable test procedures - Electrical test methods - Short-circuit test (for OPGW, OPPC and OPAC), Method H1 (IEC 60794-1-401:2021)". This standard covers: The short-circuit test is intended to assess the performance of the OPGW (optical ground wire) or OPPC (optical phase conductor) under typical short-circuit, or the impact on the performance of OPAC (optical attached cable) under short-circuit current on the messenger wire.

The short-circuit test is intended to assess the performance of the OPGW (optical ground wire) or OPPC (optical phase conductor) under typical short-circuit, or the impact on the performance of OPAC (optical attached cable) under short-circuit current on the messenger wire.

SIST EN IEC 60794-1-401:2021 is classified under the following ICS (International Classification for Standards) categories: 33.180.10 - Fibres and cables. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN IEC 60794-1-401:2021 has the following relationships with other standards: It is inter standard links to SIST EN 60794-1-24:2014. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase SIST EN IEC 60794-1-401:2021 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.

Standards Content (Sample)


SLOVENSKI STANDARD
01-november-2021
Nadomešča:
SIST EN 60794-1-24:2014
Optični kabli - 1-401. del: Splošna specifikacija - Osnovni preskusni postopki za
optične kable - Električne preskusne metode - Preskus kratkega stika (za OPGW,
OPPC in OPAC), metoda H1 (IEC 60794-1-401:2021)
Optical fibre cables - Part 1-401: Generic specification - Basic optical cable test
procedures - Electrical test methods - Short-circuit test (for OPGW, OPPC and OPAC),
Method H1 (IEC 60794-1-401:2021)
Lichtwellenleiterkabel - Teil 1-401: Fachgrundspezifikation - Grundlegende Prüfverfahren
für Lichtwellenleiterkabel - Elektrische Prüfverfahren - Kurzschlussprüfung (für OPGW
und OPAC), Verfahren H1 (IEC 60794-1-401:2021)
Câbles à fibres optiques - Procédures fondamentales d’essais des câbles optiques -
Partie 401: Méthodes d’essais électriques - Essai de court-circuit (pour les OPGW, les
OPPC et les OPAC), Méthode H1 (IEC 60794-1-401:2021)
Ta slovenski standard je istoveten z: EN IEC 60794-1-401:2021
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60794-1-401

NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2021
ICS 33.180.10 Supersedes EN 60794-1-24:2014 (partially)
English Version
Optical fibre cables - Part 1-401: Generic specification - Basic
optical cable test procedures - Electrical test methods - Short-
circuit test (for OPGW, OPPC and OPAC), Method H1
(IEC 60794-1-401:2021)
Câbles à fibres optiques - Procédures fondamentales Lichtwellenleiterkabel - Teil 1-401: Fachgrundspezifikation -
d'essais des câbles optiques - Partie 401: Méthodes Grundlegende Prüfverfahren für Lichtwellenleiterkabel -
d'essais électriques - Essai de court-circuit (pour les Elektrische Prüfverfahren - Kurzschlussprüfung (für OPGW
OPGW, les OPPC et les OPAC), Méthode H1 und OPAC), Verfahren H1
(IEC 60794-1-401:2021) (IEC 60794-1-401:2021)
This European Standard was approved by CENELEC on 2021-08-31. 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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60794-1-401:2021 E

European foreword
The text of document 86A/2044/CDV, future edition 1 of IEC 60794-1-401, 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 60794-1-401:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022–05–31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024–08–31
document have to be withdrawn
This document partially supersedes EN 60794-1-24:2014 and all of its amendments and corrigenda (if
any).
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.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60794-1-401:2021 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 60794-1-2 NOTE Harmonized as EN IEC 60794-1-2
IEC 60794-1-24:2014 NOTE Harmonized as EN 60794-1-24:2014 (not modified)

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 60794-1-401 ®
Edition 1.0 2021-07
INTERNATIONAL
STANDARD
Optical fibre cables –
Part 1-401: Generic specification – Basic optical cable test procedures –

Electrical test methods – Short-circuit test (for OPGW, OPPC and OPAC),

Method H1
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.180.10 ISBN 978-2-8322-1008-4

– 2 – IEC 60794-1-401:2021 © IEC 2021
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviated terms . 6
3.1 Terms and definitions . 6
3.2 Abbreviated terms . 6
4 Sample . 6
4.1 OPGW and OPPC testing. 6
4.1.1 Two samples test method . 6
4.1.2 One sample test method . 7
4.2 OPAC testing . 7
5 Apparatus . 8
6 Procedure . 10
6.1 OPGW testing . 10
6.2 OPPC testing . 11
6.3 OPAC testing . 11
6.4 Common procedure for all tested cables . 11
7 Requirements . 12
8 Details to be specified . 12
8.1 OPGW and OPPC testing. 12
8.2 OPAC testing . 12
Bibliography . 13

Figure 1 – OPGW/OPPC short-circuit test arrangement . 9
Figure 2 – OPAC short-circuit test arrangement . 10

IEC 60794-1-401:2021 © IEC 2021 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPTICAL FIBRE CABLES –
Part 1-401: Generic specification – Basic optical cable
test procedures – Electrical test methods –
Short-circuit test (for OPGW, OPPC and OPAC), Method H1

FOREWORD
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international co-operation on all questions concerning standardization in the electrical and electronic fields. To
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indispensable fo
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The article discusses SIST EN IEC 60794-1-401:2021, a specification for optical fibre cables. Specifically, it focuses on the short-circuit test, which is used to evaluate the performance of optical ground wires (OPGW), optical phase conductors (OPPC), and optical attached cables (OPAC) under short-circuit conditions. This test helps assess the impact of short-circuits on the cables' performance.

기사 제목: SIST EN IEC 60794-1-401:2021 - 광섬유 케이블 - 파트 1-401: 일반 명세 - 기본 광케이블 시험 절차 - 전기 시험 방법 - 단락 시험 (OPGW, OPPC 및 OPAC용), Method H1 (IEC 60794-1-401:2021) 기사 내용: 단락 시험은 OPGW (광대지선)이나 OPPC (광상전선)의 성능을 보편적인 단락 상황에서 평가하거나 OPAC (광부착 케이블)의 성능에 메신저 와이어의 단락 전류가 미치는 영향을 평가하는 데 사용됩니다.

記事タイトル:SIST EN IEC 60794-1-401:2021 - 光ファイバーケーブル - パート1-401: 一般仕様 - 基本的な光ケーブル試験手順 - 電気試験方法 - 短絡試験(OPGW、OPPCおよびOPAC用)、Method H1(IEC 60794-1-401:2021) 記事内容:短絡試験は、OPGW(光地線)やOPPC(光位相導体)の典型的な短絡下での性能を評価したり、OPAC(光付属ケーブル)のメッセンジャーワイヤによる短絡電流の性能への影響を評価するために行われます。