《UL1277》.pdf

UL 1277 ISBN 0-7629-0720-7 Electrical Power and Control Tray Cables with Optional Optical-Fiber Members NOVEMBER 14, 2001 − UL 1277 tr1 Underwriters Laboratories Inc. (UL) 333 Pfingsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Electrical Power and Control Tray Cables with Optional Optical-Fiber Members, UL 1277 Fourth Edition, Dated November 14, 2001 The new and revised requirements are substantially in accordance with UL’s Bulletin(s) on this subject dated May 31, 2001. The bulletin(s) is now obsolete and may be discarded. 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 the title page of this Standard outlining the procedures to be followed to retain the approved text of this ANSI/UL Standard. The master for this Standard at UL’s Northbrook Office is the official document insofar as it relates to a UL service and the compliance of a product with respect to the requirements for that product and service, or if there are questions regarding the accuracy of this Standard. UL’s 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 file for the Standard on the distribution diskette should be altered in any way. All of UL’s 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 retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. Revisions of UL Standards for