ISO INTERNATIONAL STANDARD 2574 Second edition 1994-06-01 Aircraft Electrical cables Identification marking Aéronefs -Cables électriques -Marquage d'identification No reproduction or networking permitted without license from IHS Not for Resale ISO 2574:1994(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technicai committee has been established has the right to be and non-governmental, in liaison with ISO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (lEC) on all matters of electrotechnical standardization. circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. ISO/TC 20, Aircraft and space vehicles, Sub-Committee Sc 1, Aerospace electrical requirements. This second edition cancels and replaces the first edition (ISO 2574:1974), of which it constitutes a technical revision. IsO 1994 All rights reserved No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without per- mission in writing from the publisher. International Organization for Standardization No reproduction or networking permitted without license from IHS Not for Resale INTERNATIONAL STANDARD ISO 2574:1994(E) Aircraft - Electrical cables -- ldentification marking 1Scope This International Standard specifies the way in which single-core, multi-core and coaxial cables used in the wiring of aircraft are to be marked as to type, size, origin, date, etc. in order to facilitate servicing, the investigation of faults and replacement, when necessary, with an equivalent cable. It also specifies the approved methods for the marking of cores. This International Standard supplements those relating to marking that already exist. It allows for the codification of manufacturer's identities by individual countries. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the edition indicated was valid. All standards are subject to re vision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISoO maintain registers ofcurrentlyvalidinternationalStandards. IsO 3166:1993, Codes for the representation of names of countries 3ldentification of cable 3.1 Because of variation in requirements for cable coverings, the minimum size of cable that can be marked will depend uponthe overall diameterand should be statedin thenational individualcable specification. The marking shall consist of a legend printed in green or in a contrasting colour to that of the covering, using characters of the size required by the national standard, repeated at intervals of 300 mm ± 50 mm, and containing the foliowing information: name of cable or number of specification/standard, type and size (as specified in table 1); - country of origin in accordance with the alpha-2 code specified in iso 3166; manufacturer (one-letter code) in accordance with a code prepared by the standards organization in the country of origin, No reproduction or networking prmite without license from IHs Not for Resale