IEC 60794-1-307:2025

Optical fibre cables - Part 1-307: Generic specification - Basic optical cable test procedures - Cable element test methods - Tube kinking, method G7

IEC 60794-1-307:2025 describes test procedures used in establishing uniform requirements of tubes for the mechanical property kinking. This document applies to optical fibre cables for use with telecommunication equipment and devices employing similar techniques, and to cables having a combination of both optical fibres and electrical conductors. Throughout the document, the wording "optical cable" can also include optical fibre units, microduct fibre units, etc. This first edition partially cancels and replaces the second edition of IEC 60794‑1-23 published in 2019. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to IEC 60794‑1‑23:2019:
a) renumbering of the existing test method G7 as G7A;
b) addition of test parameter L and calculated loop diameter D in Table 1 for method G7A;
c) addition of a new test procedure for tubes routed within installation devices and numbering it as G7B.

Câbles à fibres optiques - Partie 1-307: Spécification générique – Procédures fondamentales d’essai des câbles optiques – Méthodes d’essai des éléments de câble – Pliure du tube, méthode G7

IEC 60794-1-307: 2025 décrit les procédures d’essai utilisées afin d'établir des exigences uniformes relatives à la caractéristique mécanique suivante des tubes: pliure. Le présent document s’applique aux câbles à fibres optiques destinés à être utilisés dans les équipements de télécommunication et les dispositifs qui utilisent des techniques analogues, ainsi qu'aux câbles constitués de fibres optiques d'une part et de conducteurs électriques d'autre part. Dans tout le document, l'expression "câble optique" peut également inclure des assemblages de fibres optiques, des assemblages de fibres pour microconduits, etc. Cette première édition annule et remplace partiellement la deuxième édition de l'IEC 60794‑1‑23 parue en 2019. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l’IEC 60794‑1‑23:2019:
a) renumérotation de la méthode d’essai existante G7 en G7A;
b) ajout du paramètre d’essai L et du diamètre de la boucle calculé D dans le Tableau 1 pour la méthode G7A;
c) ajout d’une nouvelle procédure d’essai pour les tubes acheminés dans les dispositifs d’installation et numérotation en G7B.

General Information

• Status: Published
• Publication Date: 05-Mar-2025
• ICS: 33.180.10 - Fibres and cables
• Technical Committee: SC 86A - Fibres and cables
• Current Stage: PPUB - Publication issued
• Start Date: 28-Mar-2025
• Due Date: 06-Mar-2025
• Completion Date: 06-Mar-2025

Relations

• Replaces: IEC 60794-1-23:2019 - Optical fibre cables - Part 1-23: Generic specification - Basic optical cable test procedures - Cable element test methods
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60794-1-307 ®
Edition 1.0 2025-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Optical fibre cables –
Part 1-307: Generic specification – Basic optical cable test procedures – Cable
element test methods – Tube kinking, method G7

Câbles à fibres optiques –
Partie 1-307: Spécification générique – Procédures fondamentales d’essai des
câbles optiques – Méthodes d’essai des éléments de câble – Pliure du tube,
méthode G7
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IEC 60794-1-307 ®
Edition 1.0 2025-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Optical fibre cables –
Part 1-307: Generic specification – Basic optical cable test procedures – Cable

element test methods – Tube kinking, method G7

Câbles à fibres optiques –
Partie 1-307: Spécification générique – Procédures fondamentales d’essai des

câbles optiques – Méthodes d’essai des éléments de câble – Pliure du tube,

méthode G7
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.10  ISBN 978-2-8327-0276-5

– 2 – IEC 60794-1-307:2025 © IEC 2025
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 General requirements. 6
5 Method G7: Tube kinking . 6
5.1 Object . 6
5.2 Method G7A . 7
5.2.1 Sample . 7
5.2.2 Apparatus . 7
5.2.3 Procedure . 8
5.2.4 Requirements . 8
5.2.5 Details to be specified . 8
5.2.6 Details to be reported . 8
5.3 Method G7B . 9
5.3.1 Object . 9
5.3.2 Sample . 9
5.3.3 Apparatus . 9
5.3.4 Procedure . 10
5.3.5 Requirements . 11
5.3.6 Details to be specified . 11
5.3.7 Details to be reported . 11
Bibliography . 12

Figure 1 – Tube kinking test set-up method G7A . 7
Figure 2 – Tube kinking test set-up method G7B . 10
Figure 3 – Schematic representation of tube movement during tube kinking test set-up
method G7B. 11

Table 1 – Recommended parameters for the tube kinking test . 8

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPTICAL FIBRE CABLES –
Part 1-307: Generic specification – Basic optical cable test procedures –
Cable element test methods – Tube kinking, method G7

FOREWORD
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IEC 60794-1-307 has been prepared by subcommittee 86A: Fibres and cables, of IEC technical
committee 86: Fibre optics. It is an International Standard.
This first edition partially cancels and replaces the second edition of IEC 60794-1-23 published
in 2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to
IEC 60794-1-23:2019:
a) renumbering of the existing test method G7 as G7A;
b) addition of test parameter L and calculated loop diameter D in Table 1 for method G7A;
c) addition of a new test procedure for tubes routed within installation devices and numbering
it as G7B.
– 4 – IEC 60794-1-307:2025 © IEC 2025
The text of this International Standard is based on the following documents:
Draft Report on voting
86A/2537/FDIS 86A/2548/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with
...