UL 1977-2009 Component Connectors for Use in DataSignalControl and Power Applications.pdf
文档页数：30文档大小：527.39KB文档格式：pdfUL UL1977 ⑧ Underwriters Laboratories Inc . Standard for SafetyComponent Connectors forUse in Data ,Signal ,Controland Power ApplicationsSEPTEMBER 1 ,2009-UL 1977Underwriters Laboratories Inc .( UL) 333 Pfingsten RoadNorthbrook .IL 60062-2096UL Standard for Safety for Component Connectors for Use in Data ,Signal ,Control and PowerApplications ,UL 1977Second Edition ,Dated December 7 ,2007SUMMARY OF TOPICSThese revisions to UL 1977 include the following changes in requirements : Exception for End Product Flame TestText that has been changed in any manner or impacted by UL's electronic publishing system is markedwith a vertical line in the margin .Changes in requirements are marked with a vertical line in the marginand are followed by an effective date note indicating the date of publication or the date on which thechanged requirement bees effective . The revised requirements are substantially in accordance with Proposal ()this subject dated April 62009. All rights reserved .No part of this publication may be reproduced ,stored in a retrieval system ,ortransmitted any form by any means ,electronic ,mechanical photocopying ,recording ,or otherwise ...
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