oSIST prEN 3475-505:2025
(Main)Aerospace series - Cables, electrical, aircraft use - Test methods - Part 505: Tensile test on conductors and strands
Aerospace series - Cables, electrical, aircraft use - Test methods - Part 505: Tensile test on conductors and strands
This document specifies a method of measuring the tensile properties of stranded conductors, single strands, solid conductors and braids.
When required, it can be used also on insulated wires and cables after removing the insulation.
It is intended to be used together with EN 3475-100.
Luft- und Raumfahrt - Elektrische Leitungen für Luftfahrtverwendung - Prüfverfahren - Teil 505: Zugfestigkeit der Einzeldrähte und Leiterseile
Dieses Dokument legt ein Verfahren zur Bestimmung der Zugeigenschaften von mehrdrähtigen Leitern, eindrähtigen Leitern, Einzeldrähten und Schirmgeflechten fest.
Falls erforderlich, kann es auch für isolierte Drähte und Leitungen verwendet werden, nachdem die Isolierung entfernt wurde.
Es ist vorgesehen, dass es in Verbindung mit EN3475-100 angewendet wird.
Série aérospatiale - Câbles électriques à usage aéronautique - Méthodes d'essais - Partie 505 : Résistance à la traction des conducteurs et des brins
Le présent document spécifie une méthode pour mesurer les propriétés de résistance à la traction des conducteurs toronnés, des brins simples, des conducteurs massifs et des tresses.
Si exigé, la méthode peut également être utilisée sur des fils et des câbles isolés après avoir retiré l’isolant.
Il est destiné à être utilisé conjointement avec l’EN 3475-100.
Aeronavtika - Električni kabli za uporabo v zračnih plovilih - Preskusne metode - 505. del: Natezni preskus vodnikov in žic
General Information
- Status
- Not Published
- Public Enquiry End Date
- 24-Dec-2025
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 4020 - Public enquire (PE) (Adopted Project)
- Start Date
- 29-Oct-2025
- Due Date
- 18-Mar-2026
- Completion Date
- 05-Jan-2026
Relations
- Effective Date
- 23-Jul-2025
Overview
oSIST prEN 3475-505:2025 is a draft European Standard developed by SIST, designed for the aerospace industry with a focus on electrical cables used in aircraft. This document specifies standardized tensile test methods for measuring the mechanical properties of conductors and strands, including stranded conductors, single strands, solid conductors, and braids. The procedures can also be applied to insulated wires and cables if the insulation is removed beforehand.
The primary objective of this standard is to ensure reliable and repeatable measurement of key tensile properties, particularly elongation at break, breaking load, and in some cases, tensile strength. It is intended to be used in conjunction with EN 3475-100, which provides the general test principles for aircraft cables in the aerospace sector.
Key Topics
- Tensile Testing Methods: Procedures to assess the mechanical strength and elongation properties of various types of cable conductors and braids.
- Sample Preparation: Guidelines for preparing test samples, including removal of insulation and handling of specific cable types prior to testing.
- Testing Procedures: Step-by-step instructions for executing tensile tests, including:
- Prescribed test speeds and initial specimen length
- Measurement accuracy requirements
- Appropriate treatment for stranded, solid, and braided conductors
- Reporting Results: Methods for documenting average values of elongation at break, breaking load, and tensile strength, ensuring consistency and comparability across test reports.
- Compliance: Criteria for results conformity based on requirements from the relevant cable product standards.
Applications
The standard is crucial for professionals involved in the design, manufacturing, testing, and certification of aircraft electrical wiring and cabling systems. Typical applications include:
- Product Qualification: Demonstrating that electrical conductors and cables used in aerospace applications meet specified mechanical performance standards.
- Quality Assurance: Ensuring batch-to-batch consistency of aerospace cables through verified tensile test results.
- Safety Compliance: Supporting the regulatory and safety requirements for aircraft wiring by providing standardized methods to assess conductor integrity.
- Research and Development: Enabling engineers to compare the mechanical properties of different materials or cable constructions during product development.
The methods described in oSIST prEN 3475-505:2025 are directly relevant to:
- Aircraft manufacturers and suppliers of electrical components
- Aerospace cable testers and certification bodies
- Maintenance organizations verifying continued airworthiness of electrical cabling
Related Standards
The effective use of oSIST prEN 3475-505:2025 is supported by familiarity with related standards, especially:
- EN 3475-100: Aerospace series - Cables, electrical, aircraft use - Test methods - Part 100: General. This forms the foundational reference for all subsequent parts, including test definitions and general methodology for aircraft electrical cables.
- ICS 29.060.20: Cables
- ICS 49.060: Aerospace electric equipment and systems
- ISO and IEC terminalogy databases: For harmonized definition of terms across standards in cable testing and aerospace applications.
In summary, this standard is an essential reference for anyone involved in the tensile testing of aerospace electrical cables, providing a harmonized procedure that enhances safety, reliability, and standardized reporting within the aerospace industry.
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Frequently Asked Questions
oSIST prEN 3475-505:2025 is a draft published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Cables, electrical, aircraft use - Test methods - Part 505: Tensile test on conductors and strands". This standard covers: This document specifies a method of measuring the tensile properties of stranded conductors, single strands, solid conductors and braids. When required, it can be used also on insulated wires and cables after removing the insulation. It is intended to be used together with EN 3475-100.
This document specifies a method of measuring the tensile properties of stranded conductors, single strands, solid conductors and braids. When required, it can be used also on insulated wires and cables after removing the insulation. It is intended to be used together with EN 3475-100.
oSIST prEN 3475-505:2025 is classified under the following ICS (International Classification for Standards) categories: 29.060.20 - Cables; 49.060 - Aerospace electric equipment and systems. The ICS classification helps identify the subject area and facilitates finding related standards.
oSIST prEN 3475-505:2025 has the following relationships with other standards: It is inter standard links to SIST EN 3475-505:2023. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
oSIST prEN 3475-505:2025 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2025
Aeronavtika - Električni kabli za uporabo v zračnih plovilih - Preskusne metode -
505. del: Natezni preskus vodnikov in žic
Aerospace series - Cables, electrical, aircraft use - Test methods - Part 505: Tensile test
on conductors and strands
Luft- und Raumfahrt - Elektrische Leitungen für Luftfahrtverwendung - Prüfverfahren -
Teil 505: Zugfestigkeit der Einzeldrähte und Leiterseile
Série aérospatiale - Câbles électriques à usage aéronautique - Méthodes d'essais -
Partie 505 : Résistance à la traction des conducteurs et des brins
Ta slovenski standard je istoveten z: prEN 3475-505
ICS:
29.060.20 Kabli Cables
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2025
ICS 49.060 Will supersede EN 3475-505:2023
English Version
Aerospace series - Cables, electrical, aircraft use - Test
methods - Part 505: Tensile test on conductors and
strands
Luft- und Raumfahrt - Elektrische Leitungen für
Luftfahrtverwendung - Prüfverfahren - Teil 505:
Zugfestigkeit der Einzeldrähte und Leiterseile
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, CEN 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.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3475-505:2025 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Apparatus . 6
5 Method . 6
5.1 Stranded conductor. 6
5.2 Single strand or solid conductor . 6
5.3 Braid . 6
6 Requirements . 8
Bibliography . 9
European foreword
This document (prEN 3475-505:2025) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 3475-505:2023
EN 3475-505:2023:
2 2
— clear distinction between rules based on conductor cross-section (≤9 mm vs > 9 mm ) “for stranded
conductor” in 5.1:
— for cross-section ≤ 9 mm : only report the average value of the elongation
...