IEC 60981:2019
(Main)Extra heavy-duty electrical rigid steel conduits
Extra heavy-duty electrical rigid steel conduits
IEC 60981:2019 is available as IEC 60981:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60981:2019 specifies requirements for extra heavy-duty electrical rigid steel (EHDERS) conduits, couplings, nipples and elbows for electrical installations, including communications and fibre optics. This document also specifies threads for these components. It is not applicable to the conduits specified in IEC 60423. This third edition cancels and replaces the second edition published in 2004. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the second edition:
- addition of provisions for alternative coatings to zinc;
- addition of elasticity test for organic coatings;
- new Annex B on tests for evaluating alternative exterior coatings applied on extra heavyduty electrical rigid steel (EHDERS) conduits.
Conduits électriques très lourds rigides en acier
IEC 60981:2019 est disponible sous forme de IEC 60981:2019 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
General Information
Standards Content (Sample)
IEC 60981
®
Edition 3.0 2019-08
INTERNATIONAL
STANDARD
colour
inside
Extra heavy-duty electrical rigid steel conduits
IEC 60981:2019-08(en)
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IEC 60981
®
Edition 3.0 2019-08
INTERNATIONAL
STANDARD
colour
inside
Extra heavy-duty electrical rigid steel conduits
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.120.10 ISBN 978-2-8322-7310-4
Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission
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– 2 – IEC 60981:2019 © IEC 2019
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 General requirements . 8
4.1 Tests . 8
4.2 Circular cross-section . 8
4.3 Wall thickness . 8
4.4 Surface condition . 8
4.4.1 General . 8
4.4.2 Localized surface imperfections . 8
4.5 Welding . 8
4.6 Cleaning . 8
4.7 Protect
...
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