1、 ANSI C78.1408-2004 Revision of ANSI C78.1408-1991 American National Standard for electric lamps Electric Lamps CBA Projection Lamp ANSI C78.1408-2004 Revision of ANSI C78.1408-1991 American National Standard Approved: June 22, 2004 Secretariat: ANSLG -National Electrical Manufacturers Association F
2、or Electric Lamps Electric Lamps CBA Projection Lamp Copyright g211 2004 by American National Standard Lighting Group - NEMA 1ANSI C78.1408-2004 Revision of ANSI C78.1408-1991 American National Standard Approval of an American National Standard requires verification by ANSI that the requirements for
3、 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, s
4、ubstantial 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 resolutio
5、n. 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 manuf
6、acturer, 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 N
7、ational 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 CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time.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 Ameri
8、can 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 distribut
9、ed by: Information Handling Services/Global Engineering Documents 15 Inverness Way East, Englewood, CO 80112-5776 Under Contract with National Electrical Manufacturers Association Copyright g2112004 by American National Standard Lighting Group In Affiliation with National Electrical Manufacturers As
10、sociation 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 Copyright g211 2004 by American National Standard Lighting Group - NEMA
11、 2ANSI C78.1408-2004 Revision of ANSI C78.1408-1991 Contents Page Foreword.4 1 Scope.5 2 Normative References.5 3 Lamp description.5 4 Ratings.5 5 Restrictions.5 6 Physical characteristics.6 Figure 1 : Dimensions for CBA Projection Lamp.7 7 Life.8 8 Illumination.8 9 Seal Temperature. .8 10 Operating
12、 Temperature.8 Copyright g211 2004 by American National Standard Lighting Group - NEMA 3ANSI C78.1408-2004 Revision of ANSI C78.1408-1991 Foreword (This foreword is not part of American National Standard C78.1408-2004) Suggestions for improvement of this standard should be submitted to the Secretari
13、at C78, American National Standard Lighting Group (NEMA), 1300 North 17th Street, Suite 1847, Rosslyn, VA 22209. This standard was processed and approved by Accredited Standards Committee on Electric Lamps, C78, and its Working Group, C78 WG 01. Working Group approval of the standard does not necess
14、arily imply that all working group members voted for that approval. Information concerning approval of this standard is based on the documents listed in the table below. Editors Note: During the final editorial review, changes were made to select sections of this published document only, and not to
15、the working base document. Amendment / Change CDV RV Revision C78_1_4167 C78_1_4168David Mullen, Chairman, ASC 78 Randolph N. Roy, ANSLG Secretariat - The information contained in the lamp manufacturers caution notice shall always be read and observed. 6. Physical characteristics Base specifications
16、: G17t, see American National Standard for Electric Lamp Bases, ANSI C81.61. Bulb designation: See American National Standard Nomenclature for glass bulbs intended for use with electric lamps, ANSI C79.1. Dimensions: See figure 1. Copyright g211 2004 by American National Standard Lighting Group - NE
17、MA 6ANSI C78.1408-2004 Revision of ANSI C78.1408-1991 Standard Dimensions(millimeters) Reference Min Nom Max A B C (see note 2) LCL G - - - - 54.10 - - - 44.25 - 25.25 78.66 20.00 - - NOTES 1 The intended light direction as shown above is in the plane defined by pin number 4 (not shown in this figur
18、e) and the axis of the lamp base. 2 Dimension C defines the maximum excursion of the opaque top or bulb in any direction from the base axis. Figure 1 Dimensions for CBA projection lamp Copyright g211 2004 by American National Standard Lighting Group - NEMA 7ANSI C78.1408-2004 Revision of ANSI C78.14
19、08-1991 Copyright g211 2004 by American National Standard Lighting Group - NEMA 87. Life 7.1 Open rack, horizontal burning position with cooling to maintain temperature limits in accordance with American National Standard for Electric lamps Incandescent projection lamps Method for life testing, ANSI
20、 C78.1450. 8. Illumination 8.1 See American National Standard Illumination tests for photographic still-front-projection equipment, ISO 11315 part 11997. 9. Seal temperature 9.1 Measurement procedure is defined in Standard Method of Measuring the Pinch temperature of Quartz-Tungsten-Halogen Lamps, ANSI/IEC C78.682-1997. 10. Operating temperature 10.1 Standard methods of measuring other lamp operating temperatures (bulb and base) are under consideration.
