UL UL1449 ⑧ Underwriters Laboratories Inc . Standard for Safety Surge Protective Devices SEPTEMBER 4 .2009 UL 1449 UL Standard for Safety for Surge Protective Devices ,UL 1449 Third Edition ,Dated September 29 ,2006 Summary of Topics Revision pages have been issued for the Standard for Surge Protective Devices ,UL 1449 ,to reflect the latest ANSI approval date and to incorporate the proposal dated July 3 ,2009 .The proposal includes the following : VPR Assignment Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with a vertical line in the margin .Changes in requirements are marked with a vertical line the margin and are followed by an effective date note indicating the date of publication the date on which the changed requirement bees effective . The revised requirements are substantially in accordance with Proposal (s)onthis subject dated July 3 , 2009. All rights reserved .No part of this publication may be reproduced ,stored in a retrieval system ,or transmitted in any form by any means ,electronic ,mechanical photocopying ,recording ,or otherwise without prior permission of UL . UL provides this Standard " asis...
UL 1449-2009UL Standard for Safety for Surge Protective Devices.pdf
