ANSI NEMA C78.1500-2001 Electric Lamps - Tungsten-Halogen Lamps with P28 Bases and 89 mm LCL.pdf
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1、NEMA Standards PublicationNational Electrical Manufacturers AssociationANSI C78.1500-2001Electric Lamps: Tungsten-Halogen Lamps with P28 Bases and 89 mm LCLANSI C78.1500-2001 Revision of ANSI C78.1500-I993 I American National Standard Approved June 18, 2001 Secretariat: American National Standards L
2、ighting Group - NEMA I Tungsten-Halogen Lamps with P28 Bases and 89 mm LCL INSTRUCTIONS: This revision is intended to replace ANSI C78.1500-I 993. Discard this instruction sheet when finished. Copyright O 2001 by American National Standards Lighting Group in Affiliation with National Electrical Manu
3、facturers Association, 1300 North 17th Street, Suite 1847, Rocsiyn, VA 22209 THIS PAGE INTENTIONALLY LEFT BLANK Copyright O 2001 by American National Standards Lighting Group in Affiliation with National Electrical Manufacturers Association, 1300 North 17th Street, Suite 1847, Rosslyn. VA 22209 ANSI
4、 C78.1500-2001 Revision of ANSI C78.1500-I 993 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 thos
5、e substantially concerned with its scope and provisions. American National Standard 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
6、 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 use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, wheth
7、er he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American Na
8、tional Standard. Moreover, no person shall have the rige 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 whose name appears on the title pa
9、ge of this standard. 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 Standard
10、s may receive current information on all standards by calling or writing the American National Standards Institute. Published by Information Handling ServiceslGlobal Engineering Documents 15 Inverness Way East, Englewood, CO 801 12-5776 Under Contract with National Electrical Manufacturers Associati
11、on No pai u; this pblicatioii my be epidd in my form, in an electronic retrieval system or otherwise, without prior written permission of the publisher. Printed in the United States of America Copyright O 2001 by American National Standards Lighting Group in Affiliation with National Electrical Manu
12、facturers Association, 1300 North 17th Street, Suite 1847, Rosslyn. VA 22209 ANSI C78.1500-2001 Revision of ANSI C78.1500-I 993 CONTENTS Foreword . i 1 .O Scope 1 2.0 Normative References . 1 3.0 Lamp Designations 2 4.0 Physical Characteristics . 2 5.0 Restrictions 3 6.0 Test Procedures 4 7.0 Inform
13、ation for Luminaire Design . 5 Annex A : Tables (Normative) 9 Annex B: Drawings (Normative) . 13 Annex C: Informative References . 17 Copyright O 2001 by American National Standards Lighting Group in Affiliation with National Electrical Manufacturers Association. 1300 North 17th Street. Suite 1847.
14、Rosslyn. VA 22209 I ANSI C78.1500-2001 Revision of ANSI C78.1500-I 993 Foreword (This Foreword is not part of ANSI C78.1500-2001.) Suggestions for improvement of this standard should be submitted to the Secretariat C78, National Electrical Manufacturers Association, 1300 North 17th Street, Suite 184
15、7, Rosslyn, VA 22209. This standard was processed and approved by Accredited Standards Committee on Electric Lamps, C78, and its Sub-Committee, C78-1 for Incandescent Lamps. Committee approval of the standard does not necessarily imply that all committee members voted for that approval. At the time
16、this standard was published, the C78 Committee had the following members: AI Rousseau, Chair, C78 all compromises with the actual space are in excess of the actual space required. (2) All excursions of a lamp bulb are shown relative to a fixed-position base. (3) Bulb “eccentricity” with respect to t
17、he base axis is a combination of allowances for angular tilt and lateral displacement. (4) The base shown in the drawing represents a typical form. The essential dimensions are controlled by the “Go” gauge for P28 based lamps described in ANSI (281.63. (5) All dimensions are in millimeters unless ot
18、herwise specified. 4.4.2 The light source dimensions, diameter (D) and height (H) in Table 1 and width (W), height (H), and thickness (T) in Table 2, define a maximum size volume centered on the Light Center Length and base axis within which all luminous parts of the filament are located. This volum
19、e accounts for all positions of the filament. Actual filament size may be significantly smaller than the defined light source volume. 5 Restrictions 5.1 Operating Positions Lamp types in this standard may operate properly in any position or they may be restricted as to position. Such restrictions ar
20、e indicated in the Operating Position column of Tables I and 2. Copyright O 2001 by American National Standards Lighting Group in Affiliation with National Electrical Manufacturers Association, 1300 North 17th Street, Suite 1847, Rosslyn, VA 22209 3 ANSI C78.1500-2001 Revision of ANSI C78.1500-1993
21、5.2 Seal Temperature In the lamps covered by this standard, the metal-to-envelope seal is intended for operation at temperatures not to exceed 35OOC for lamps with rated life of 500 hours and 4OOOC for lamps with a rated life of 500 hours or less. 5.3 Bulb Wall Temperature A lamps bulb wall temperat
22、ure shall be maintained about 25OOC for proper operation of the halogen cycle. An upper limit of approximately 900C is recommended for maintaining the integrity of fused silica bulbs. 5.4 Shielding A protective shield shall be provided relevant to the following cautionary notice. To assure maximum s
23、afety during handling and use of the subject lamps, observe the following notices: (1) Tungsten-halogen-lamps operate at high temperature and at internal gas pressures above atmospheric pressure. Consequently, a lamp could shatter. Certain lamps may also emit some amount of ultraviolet radiation. Th
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