ANSI C78.81-2003 双端荧光灯.pdf

ANSI C78.812003 Revision of ANSI C78.81-2001 Copyright 2003 by American National Standard Lighting Group-NEMA American National Standard Approved:October 07,2003 Secretariat:ANSLG-National Electrical Manufacturers Association For Electric Lamps Double-capped fluorescent lamps-Dimensional and Electrical Characteristics An American National Standard implies a consensus of those substantially concerned with its scope and provisions.It is intended as a guide to aid the manufacturer,the consumer,and the general public.The existence of an American National Standard does not in any respect preclude anyone,whether he has approved the standard or not,from manufacturing,marketing,purchasing,or using products,processes,or procedures not conforming to the standards.Users are cautioned to obtain the latest editions.The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard.Moreover,no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute.CAUTION NOTICE:This American National Standard may be revised or withdrawn at any time.The procedures of the American National Standards Institute require that action be taken periodically to reaffirm,revise,or withdraw this standard.Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute.ANSI C78.81-2003 Copyright 2003 by American National Standards Lighting Group-NEMA ii American National Standard Approval of an American National Standard requires verification by ANSI that the requirements for due process,consensus,and other criteria for approval have been met by the standards developer.An American National Standard implies a consensus of those substantially concerned with its scope and provisions.Consensus is established when,in the judgment of the ANSI Board of Standards Review,substantial agreement has been reached by directly and materially affected interests.Substantial agreement means much more than a simple majority,but not necessarily unanimity.Consensus requires that all views and objections be considered,and that a concerted effort be made toward their resolution.The existence of an American National Standard does not in any respect preclude anyone,whether s/he has approved the standard or not,from manufacturing,marketing,purchasing,or using products,processes,or procedures not conforming to the standards.It is intended as a guide to aid the manufacturer,the consumer,and the general public.The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard.Moreover,no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute.Requests for interpretations should be addressed to the Committee Secretariat referred to on the title page.CAUTION NOTICE:This American National Standard may be revised or withdrawn at any time.The procedures of the American National Standards Institute require that action be taken periodically to reaffirm,revise,or withdraw this standard.Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute.Printed and distributed by:Information Handling Services/Global Engineering Documents 15 Inverness Way East,Englewood,CO 80112-5776 Under Contract with National Electrical Manufacturers Association Copyright 2003 by American National Standard Lighting Group In Affiliation with National Electrical Manufacturers Association All rights reserved.No part of this publication may be reproduced in any form,in an electronic retrieval system or otherwise,without prior written permission of the publisher.Printed in the United States of America ANSI C78.81-2003 Copyright 2003 by American National Standards Lighting Group-NEMA iiiFOREWORD(This Foreword is not part of ANS C78.81-2003)Suggestions for improvement of this standard will be welcome.They should be sent to the Secretariat,C78 Committee,National Electrical Manufacturers Association,1300 North 17th Street,Suite 1847,Rosslyn,VA 22209.This standard was processed and approved for submittal to ANSI by Accredited Standards Committee on Electric lamps,C78,and its subcommittee,C78-2.Approval of the standard does not necessarily imply that all committee members voted for its approval.This standard is a consolidation and revision of ANSI C78.1-1991,ANSI C78.2-1991,ANSI C78.3-1991,and ANSI C78.4-1995 and supercedes all of the aforementioned standards and their supplements.Information concerning the approval of this standard is based on the documents listed in the table below:Amendment/Change CDV RV Second Edition 78(2)/4018 78(2)/4070 78(2)/4072v278(2)/409