UL-183-2009.pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 183 Manufactured Wiring Systems UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER
2、REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Underwriters Laboratories Inc. (UL) 333 Pfi ngsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Manufactured Wiring Systems, UL 183 Third Edition, Dated October 23, 2003 Revisions: This Standard contains revisions through and inclu
3、ding January 14, 2009. Summary of Topics This revision to ANSI/UL 183 includes extending the effective dates to February 23, 2011. These revisions also include the following changes in requirements. Addition and Revision of Glossary Terms Addition of a requirement for Insulated Multi-Pole Splicing W
4、ire Connectors Revision to include continuous plug-in busway as an acceptable power distribution method A revision to the requirement for supplying caps for an unused connector opening Addition of a performance test requirement to address ground path traces on a Printed- Wiring Board Revision to rem
5、ove the requirement for ground screws that are not easily removed Addition of requirements to address the bonding of components and assemblies of Manufactured Wiring Systems Revision of the requirements addressing tap conductors feeding convenience receptacles Clarifi cation of connector types Clari
6、fi cation of the current loading requirements of conductors used in a manufactured wiring system assembly Revision to the reference to UL 1598 for manufactured wiring systems for use in air handling spaces Revision to clarify the Dielectric Voltage Withstand Test method Revision of Marking Requireme
7、nts Exception to contrasting color requirement for markings Addition of requirements for Patient Care Areas JANUARY 14, 2009 UL 183tr1 -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standards for Safety are developed and maintained
8、 in the Standard Generalized Markup Language (SGML). SGML - an international standard (ISO 8879-1986) - is a descriptive markup language that describes a documents structure and purpose, rather than its physical appearance on a page. Due to formatting differences resulting from the use of ULs new el
9、ectronic publishing system, please note that additional pages (on which no requirements have been changed) may be included in revision pages due to relocation of existing text and reformatting of the Standard. Text that has been changed in any manner is marked with a vertical line in the margin. Cha
10、nges in requirements are marked with a vertical line in the margin and are followed by an effective date note indicating the date of publication or the date on which the changed requirement becomes effective. A change in an effective date is indicated by a note following the affected item, and givin
11、g both the previous effective date and the new date the requirement becomes effective. The following table lists the future effective dates with the corresponding reference. Future Effective DateReference February 23, 2011Paragraphs 2.3, 2.3.1, 2.9.1, 2.9.2, 3.7, 10.8, 10.9, 10.10, 13.10, 14.3, 14.5
12、, 14A.1, 16.4, 16.5, 16.6, 17.4, 20A.0, 21.2, 21.2.1, 28A.1, 31.3, 37.1, 37.9, 37.18, 37.19, 38.5, 38.6, Table 14A.1, Sections 7A, 14B, 14C, 16A, 20A, 34, and Supplement SA The new and revised requirements are substantially in accordance with ULs Proposal(s) on this subject dated February 29, 2008 a
13、nd June 6, 2008. The revisions dated January 14, 2009 include a reprinted title page (page1) for this Standard. The revisions dated January 14, 2009 were issued to postpone the effective dates of October 23, 2008 and March 26, 2009 to February 26, 2011. As indicated on the title page (page 1), this
14、UL Standard for Safety is an American National Standard. Attention is directed to the note on the title page of this Standard outlining the procedures to be followed to retain the approved text of this ANSI/UL Standard. The UL Foreword is no longer located within the UL Standard. For information con
15、cerning the use and application of the requirements contained in this Standard, the current version of the UL Foreword is located on ULStandardsInfoNet at: http:/ The master for this Standard at ULs Northbrook Office is the official document insofar as it relates to a UL service and the compliance o
16、f a product with respect to the requirements for that product and service, or if there are questions regarding the accuracy of this Standard. ULs Standards for Safety are copyrighted by UL. Neither a printed copy of a Standard, nor the distribution diskette for a Standard-on-Diskette and the fi le f
17、or the Standard on the distribution diskette 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 of UL. All rights reserved. No part of this publication may be reproduced, stored in a ret
18、rieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. JANUARY 14, 2009 UL 183tr2 -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Revisions o
19、f UL Standards for Safety are issued from time to time. A UL Standard for Safety is current only if it incorporates the most recently adopted revisions. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of
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