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BS EN IEC 60794-1-217:2024

$142.49

Optical fibre cables – Generic specification. Basic optical cable test procedures. Environmental test methods. Cable shrinkage (fibre protrusion), Method F17

Published By Publication Date Number of Pages
BSI 2024 24
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IEC 60794-1-217:2024 series defines the test procedure to measure the permanent fibre protrusion compared to the cable elements and cable sheath due to thermal exposure of a cable. This document partially replaces IEC 60794ā€‘1ā€‘22:2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 60794ā€‘1ā€‘22:2017: a) added clarification in the objective that the purpose of this test procedure is to measure the permanent fibre protrusion of cables without rigid strength members; b) replaced the reference to method F1 for the apparatus with a detailed description for the temperature chamber and temperature sensing device as done in IEC 60794-1-211; c) added a measuring device in the subclause for apparatus; d) added conditioning before cutting the cable sample as done in IEC 60794-1-211 e) added all required steps in the subclause for temperature cycling as well as the table for the minimum soak time and the figure for the cycle procedure, and removed the reference to IEC 60794-1-22, method F1; f) improved the figures and added a figure for preparation of the cable sample; g) added the informative Annex A for the test procedure recommended for cables with rigid strength members.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
6 English
CONTENTS
7 FOREWORD
9 INTRODUCTION
10 1 Scope
2 Normative references
3 Terms and definitions
4 Method F17 ā€“ Cable shrinkage (fibre protrusion)
4.1 Objective
11 4.2 Sample
4.3 Apparatus
4.4 Procedure
4.4.1 Preparation of the cable sample
12 4.4.2 Preparation of the cable ends
Figures
Figure 1 ā€“ Preparation of cable sample with prepared ends
Figure 2 ā€“ Preparation of cable sample ends
13 4.4.3 Initial measurements
4.4.4 Temperature cycling
Figure 3 ā€“ Fibre protrusion measurement
14 Figure 4 ā€“ Cycle procedure
Table 1 ā€“ Minimum soak time t1
15 4.4.5 Final measurements
4.5 Requirements
4.6 Details to be specified
16 4.7 Details to be reported
17 Annex A (informative)Test procedure for cables with rigid strength members
A.1 Objective
A.2 Sample
A.3 Apparatus
A.4 Procedure
A.4.1 Preparation of the cable sample
A.4.2 Preparation of the cable ends
18 A.4.3 Initial measurements
Figure A.1 ā€“ Preparation of cable sample ends
19 A.4.4 Temperature cycling
A.4.5 Final measurements
Figure A.2 ā€“ Fibre protrusion measurement
20 A.5 Recommended requirements
A.6 Details to be specified
21 A.7 Details to be reported
22 Bibliography
BS EN IEC 60794-1-217:2024
$142.49