CSA C22 2 NO 2556-2015 Wire and cable test methods (Fourth Edition).pdf

1、C22.2 No. 2556-15Wire and cable test methodsLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varie

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18、Update ServiceC22.2 No. 2556-15December 2015Title: Wire and cable test methodsTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2423696.If you require as

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20、 EditionUnderwriters Laboratories Inc.UL 2556Fourth EditionWire and Cable Test MethodsDecember 15, 2015ANSI/UL 2556-2015Commitment for AmendmentsThis standard is issued jointly by the Association of Standardization and Certification (ANCE), theCanadian Standards Association (operating as “CSA Group”

21、), and Underwriters Laboratories Inc. (UL).Comments or proposals for revisions on any part of the standard may be submitted to ANCE, CSAGroup, or UL at anytime. Revisions to this standard will be made only after processing according to thestandards development procedures of ANCE, CSA Group, and UL.

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23、 reserved in favor of ANCE.ISBN 978-1-77139-930-2 2015 CSA GroupAll rights reserved. No part of this publication may be reproduced in any form whatsoever without theprior permission of the publisher.This Standard is subject to review five years from the date of publication, and suggestions for itsim

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25、ed change; and rationale for the change.To purchase CSA Group Standards and related publications, visit CSA Groups Online Store atshop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044.Copyright 2015 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a printe

26、d nor electronic copy of a Standardshould be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regardingthose Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Fourth Edition including revisions through Dec

27、ember15, 2015. The most recent designation of ANSI/UL 2556 as an American National Standard (ANSI)occurred on December 15, 2015. ANSI approval for a standard does not include the Cover Page,Transmittal Pages, Title Page (front and back), or the Preface. The National Difference Page and IECForeword a

28、re also excluded from the ANSI approval of IEC-based standards.Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.To purchase

29、 UL Standards, visit Comm 2000 at http:/m- call toll-free 1-888-853-3503.CONTENTSPREFACE 61 Scope .82 General 82.1 Units of measure .82.2 Normative references .82.3 Safety 112.4 Definitions 122.5 Test temperature 122.6 Reports 122.7 General requirements 133 Conductor tests 133.1 Conductor diameter 1

30、33.2 Cross-sectional area by mass (weight) method 143.3 Cross-sectional area by diameter method 223.4 DC resistance .233.5 Physical properties of conductors (tensile strength, elongation at break, and ultimatestrength) .253.6 High-current heat cycling for aluminum conductors 303.7 Length of lay 324

31、Insulation, overall covering, and jacket materials tests 334.1 Thickness 334.2 Physical properties (ultimate elongation and tensile strength) .384.3 Dry temperature rating of new materials (long-term aging test) 474.4 Carbon black content 495 Components tests 505.1 Coverage of fibrous braids 505.2 C

32、overage of shielding (wraps and braids) 515.3 Saturation 526 Electrical tests for finished wire and cable 536.1 Continuity 536.2 Dielectric voltage-withstand .556.3 Dielectric breakdown .586.4 Insulation resistance .596.5 Capacitance and relative permittivity .636.6 Stability factor .656.7 Spark 666

33、.8 Standard arcing test .696.9 Flex arcing test 706.10 Jacket resistance .736.11 AC leakage current test through insulation 746.12 AC leakage current test through jacket 766.13 Resistance of armor 777 Mechanical tests for finished wire and cable 787.1 Fall-in of extruded materials 787.2 Heat shock .

34、797.3 Heat shock resistance .817.4 Shrinkback .827.5 Shrinkback in air 837.6 Cold bend 84DECEMBER 15, 2015 NMX-J-556-ANCE-2015 CSA C22.2 NO. 2556-15 UL 2556 37.7 Cold impact .867.8 Deformation 887.9 Hot creep elongation and hot creep set 907.10 Abrasion resistance 937.11 Crush resistance .957.12 Cru

35、sh resistance (accelerated compression rate) .967.13 Impact resistance 987.14 Dielectric breakdown after glancing impact .1007.15 Flexibility at ROOM TEMPERATURE after aging 1027.16 Flexibility of separator tape under a jacket .1037.17 Flexibility of armored cable and metal-sheathed cable .1057.18 S

36、welling and blistering when immersed in liquid .1077.19 Durability of ink printing 1087.20 Color coating .1107.21 Mechanical strength .1127.22 Strength and elongation of cable in tension .1137.23 Bend test on nylon covered conductors 1147.24 Tightness of insulation .1157.25 Tightness of armor 1177.2

37、6 Flexing of shielded cables 1187.27 Mandrel pinch of -R cords 1207.28 Mandrel crush of -R cords 1217.29 Flexing of -R cords 1227.30 Armored cable bushing insertion 1248 Environmental tests for finished wire and cable .1258.1 Copper corrosion .1258.2 Ozone resistance 1278.3 Copper sulfate test for z

38、inc coatings on formed and unformed steel strip (preece test) .1309 Burning characteristics tests .1339.1 FT2/FH/Horizontal flame 1339.2 Burning particles (dropping) .1369.3 FT1.1379.4 FV-2/VW-1 1399.5 FV-1/Vertical flame .1429.6 Vertical tray flame tests (Method 1 Vertical tray and Method 2 FT4) 14

39、29.7 ST1 limited smoke 1489.8 Fire propagation/RPI 1519.9 Smoke emission .1559.10 Halogen acid gas emission .1599.11 Acid gas emission .1639.12 Flame test for portable cables/FT5 (United States and Canada only) 169Tables .171Figures 176Annex A (informative) Conductor removal from insulation for tubu

40、lar specimensA.1 Method 1: Stranded conductors 216A.2 Method 2: Stranded or solid conductors .216DECEMBER 15, 2015NMX-J-556-ANCE-2015 CSA C22.2 NO. 2556-15 UL 25564Annex B (informative) Determination of densityAnnex C (informative) Sample calculation for the determination of ultimate elongation or t

41、ensilestrength at 300 dC.1 Elongation .219C.2 Tensile strength 219Annex D (normative) Establishment of parameters and requirements for short-term air oven agingtestAnnex E (normative) Determination of temperature correction factorAnnex F (normative) Procedure and calculations for determining the deg

42、ree of coverage of fibrouscoveringsAnnex G (normative) Calculation of coverage of shielding (wraps and braids)Annex H (normative) Test enclosure and exhaust ductH.1 Test enclosure .232H.2 Exhaust duct .232H.3 Exhaust fan 232H.4 Air velocity measurements .233H.4.1 Within the exhaust duct .233H.4.2 Wi

43、thin the enclosure 234H.5 Smoke measuring equipment 234Annex I (informative) Conversion of pH to acid gas (as % HCl) and acid gas (as % HCl) to pHAnnex J (informative) Correlation of NMX wire and cable test method standards with UL 2556/CSAC22.2 No. 2556DECEMBER 15, 2015 NMX-J-556-ANCE-2015 CSA C22.

44、2 NO. 2556-15 UL 2556 5PREFACEThis is the harmonized ANCE, CSA Group, and UL standard for Wire and Cable Test Methods. It is theFourth edition of NMX-J-556-ANCE, the Fourth edition of CSA C22.2 No. 2556, and the Fourth edition ofUL 2556. This edition of NMX-J-556-ANCE supersedes the previous edition

45、 published on March 22, 2013.This edition of CSA C22.2 No. 2556 supersedes the previous edition published on March 22, 2013. Thisedition of UL 2556 supersedes the previous edition published on March 22, 2013.This harmonized standard was prepared by the Association of Standardization and Certificatio

46、n (ANCE),CSA Group, and Underwriters Laboratories Inc. (UL). The efforts and support of the TechnicalHarmonization Committee for Wire and Cable Test Methods, of the Council on the Harmonization ofElectrotechnical Standards of the Nations of the Americas (CANENA), are gratefully acknowledged.This Sta

47、ndard is considered suitable for use for conformity assessment within the stated scope of theStandard.The present Mexican standard was developed by the WG Metodos de Prueba para Conductores, from CT20 Conductores belonging the Comite de Normalizacin de la Asociacin de Normalizacin yCertificacin, A.C

48、., CONANCE, with the collaboration of the manufacturers and users of electricconductors.This standard was reviewed by the CSA Integrated Committee on Test Methods for Wires and Cables,under the jurisdiction of the CSA Technical Committee on Wiring Products and the CSA Strategic SteeringCommittee on

49、Requirements for Electrical Safety, and has been formally approved by the CSA TechnicalCommittee.This standard has been approved by the American National Standards Institute (ANSI) as an AmericanNational Standard.Where reference is made to a specific number of samples to be tested, the specified number is to beconsidered a minimum quantity.Note: Although the intended primary application of this standard is stated in its scope, it is important to note that it remainsthe responsibility of t