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1、UL 1446Systems of Insulating Materials GeneralUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULThis PDF Standard downloaded from JANUARY 30, 2008 UL 1446tr3Underwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standa
2、rd for Safety for Systems of Insulating Materials General, UL 1446Sixth Edition, Dated February 8, 2007Revisions: This Standard contains revisions through and including January 30, 2008.SUMMARY OF TOPICSThese revisions to ANSI/UL 1446 include the following changes in requirements: Revision of 8.5.8
3、to reflect current practice.Revision to the Scope changing the 600 V limit to 1000 VCorrection of Order of the Environmental Conditionings for Insulation System AgingRevision of 5.2.4 - One Temperature Aging of a Magnet WireUL Standards for Safety are developed and maintained in the Standard General
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7、HORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULThis PDF Standard downloaded from Future Effective DatesReferencesJuly 28, 2012Paragraphs 5.2.4, 9.2, 10.3, and theReference Publication ANSI/NEMA MW1000 in Clause 2The requirements are substantially in accordance with ULs Pr
8、oposal(s) on this subject dated July 27,2007 and November 2, 2007.The revisions dated January 30, 2008 include a reprinted title page (page1) for this Standard.As indicated on the title page (page 1), this UL Standard for Safety is an American National Standard. Attention is directed to the note on
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27、 Follow-Up Services after the effective date, and understanding of this should be signified in writing.Copyright 2008 Underwriters Laboratories Inc.This PDF Standard downloaded from This Standard consists of pages dated as shown in the following checklist:PageDate1-3 . January 30, 20084 . February 8
28、, 20075 . January 30, 20086-10. February 8, 200711-12B . January 30, 200813-19 . February 8, 200720 . January 30, 200821-22 . November 8, 200723-24 . February 8, 200725-26B . January 30, 200827-40 . February 8, 2007A1-A2 . February 8, 2007SR1-SR2 . January 30, 2008UL COPYRIGHTED MATERIAL NOT AUTHORI
29、ZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULFEBRUARY 8, 2007(Title Page Reprinted: January 30, 2008)1UL 1446ANSI/UL 1446-2008Standard for Systems of Insulating Materials GeneralFirst Edition June, 1978Second Edition June, 1980Third Edition January, 1991Fourth Edition Decem
30、ber, 1994Fifth Edition May, 1997Sixth EditionFebruary 8, 2007The most recent designation of ANSI/UL 1446 as an American National Standard (ANSI) occurred on January 4, 2008. The ANSI approval for this standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date informat
31、ion.This ANSI/UL Standard for Safety consists of the Sixth edition including revisions through January 30, 2008.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 Standa
32、rds Development System (CSDS) at .ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property o
33、f UL.COPYRIGHT 2008 UNDERWRITERS LABORATORIES INC.JANUARY 30, 2008SYSTEMS OF INSULATING MATERIALS GENERAL - UL 14463This PDF Standard downloaded from No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Sc
34、ope . .52 Reference Publications . .53 Units of Measurement . .74 Glossary . .7PERFORMANCE CRITERIA5 Magnet Wire . .115.1 Magnet wire coatings . .115.2 Magnet wire evaluation . .116 Varnishes . .127 Insulation Systems . .137.1 General . .137.2 System components . .138 Substitutions or Modification t
35、o an Insulation System . .148.1 General . .148.2 Minor components . .158.3 Magnet wire . .158.4 Varnish . .178.5 Encapsulants, ground, and interwinding insulation . .19PERFORMANCE TESTS9 Magnet Wire Coatings/Magnet Wires . .2110 Varnishes Thermal Aging . .2211 Insulation Systems Full Thermal Aging .
36、 .2311.1 General . .2311.2 Samples . .2311.3 Exposures . .2411.4 Diagnostic tests determination of end of test-life . .26A11.5 Analysis and evaluation . .2712 Insulation Systems One Temperature Thermal Aging . .3112.1 General . .3112.2 Samples, exposures, and tests . .3112.3 Analysis and evaluation
37、. .3213 Insulation Systems Two Temperature Thermal Aging . .3413.1 General . .3413.2 Samples, exposures, and tests . .3413.3 Analysis and evaluation . .3414 Sealed Tube Testing . .3614.1 General . .3614.2 Samples . .3614.3 Conditioning . .3714.4 Interpretation of results of non-bondable wire . .3714.5 Interpretation of results for bondable wire .
