NEMA C78 901-2014 for Electric Lamps Single-Based Fluorescent Lamps- Dimensional and Electrical Characteristics.pdf

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1、 American National Standard Approved: 07/02/2014 Secretariat: National Electrical Manufacturers Association for Electric Lamps Single-Based Fluorescent Lamps- Dimensional and Electrical Characteristics ANSI C78.901-2014 An American National Standard implies a consensus of those substantially concern

2、ed 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, o

3、r 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 pers

4、on shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. GUIDE and DISCLAIMER: Information contained herein is informative and shall not be deemed an industry standard. The reader should explore other m

5、ethods that might be suitable to their needs. This standard contains information and reference to industry standards; through reference in the text, by consent constitutes provisions of this standard. All standards are subject to revision, and parties to agreements based on this standard are encoura

6、ged to investigate the possibility of applying the most recent editions of the standards indicated herein. This standard may be revised or withdrawn at any time. C78.901-2014 Page ii 2014 National Electrical Manufacturers Association American National Standard Approval of an American National Standa

7、rd 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

8、, 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,

9、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

10、 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 righ

11、t 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 rev

12、ised 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 Am

13、erican National Standards Institute. 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 C78.901-2014 Page iii 2014 National Electrical Manufacturers Asso

14、ciation FOREWORD (This foreword is not part of ANSI C78.901-2014) Suggestions for improvement of this standard should be submitted to the Secretariat, C78 Committee, National Electrical Manufacturers Association, 1300 North 17th Street, Suite 900, Rosslyn VA 22209. This standard was processed and ap

15、proved by Accredited Standards Committee on Electric Lamps, C78, and its Work Group, C78WG02. Work Group approval of the standard does not necessarily imply that all Work Group members voted for its approval. The revised edition supersedes ANSI_IEC C78.901-2005. This revision includes the removal of

16、 “IEC” from the standard number designation. The acronym “IEC” was removed because it is copyright-protected in accordance with the latest edition of IEC Guide 21. Please see this entire standard for revisions and additions. DEDICATION: Edward Eugene Hammer 1931 2012 Who helped lay the foundation fo

17、r American National Standards for fluorescent technology. May he rest in peace. C78.901-2014 Page iv 2014 National Electrical Manufacturers Association Table of Contents Foreword . iii Part I General Information and Requirements 1 Scope . 1 2 General . 1 3 Normative References 2 4 Definitions . 3 5

18、Lamp Abbreviations 3 6 Methods of Measurement . 3 7 Reference Ballasts . 3 8 Product Drawings . 3 9 Applications of Lamps on More Than One Type of Circuit . 4 10 Lamp Physical and Dimensional Requirements . 4 11 Lamp Electrical Characteristics 5 12 Thermal Conditions 7 13 Requirements for Ballast De

19、sign 7 14 Information for Luminaire Design . 10 Part II Dimensioning Principles and Lamp Outline Drawings 13 Part III Annexes 22 Annex A Bibliography 22 Annex B Guidelines for Establishing Fluorescent Lamp Abbreviations . 23 Annex C Generic Designation System for Compact Fluorescent and T5 Twin Fluo

20、rescent Lamps . 27 Annex D Guidelines for the Establishment of Wattage Ratings on Fluorescent Lamp Data Sheets 28 Part IV Lamp Specification Data Sheets . 30 1 General Principles for Numbering of Data Sheets 30 2 Data Sheet List and Sequence . 31 Datasheets 33-139 C78.901-2014 Page 1 PART I General

21、Information and Requirements 1. Scope This standard sets forth the physical and electrical characteristics required to assure the interchangeability and to assist in the proper application of single-based fluorescent lamps. Single-based compact fluorescent lamps, both self-supporting and those requi

22、ring auxiliary support, including circular, square and U-shaped lamps are specified. Specifications for both the lamp itself and the interactive features of the lamp with the ballast are given. Information for luminaire design is given for certain lamp types. The lamps covered in this standard are i

23、ntended for use with external ballasts as described. These lamps are designed for 60Hz and/or high frequency operation. Many of the lamp types covered in this standard are closely comparable to those specified in IEC 60901. 1.1 Important Patent Disclaimer At the time of publication, it is possible t

24、hat some of the elements of this document may be the subject of patent rights. When this Standard was approved for publication, the National Electrical Manufacturers Association (NEMA) did not know of any patent applications, patents pending, or existing patents. NEMA shall not be held responsible f

25、or identifying any or all such patent rights. 2. General There are four parts to this standard. Part I Contains requirements and general information. Detailed descriptions, references, and explanations of the terms used in the lamp data sheets are given in this part. It also defines the principles o

26、f dimensioning lamps, both as finished lamps and for maximum outline purposes. Part II Contains dimensioning principles and lamp outline drawings. Part III Contains the annexes. Part IV Contains all of the lamp data sheets for the lamp classes covered in this standard. C78.901-2014 Page 2 2014 Natio

27、nal Electrical Manufacturers Association 3. Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this American National Standard. At the time of publication, the editions indicated were valid. All standards are subject to rev

28、ision, and parties to agreements based on this American National Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. ANSI C78.30-1997, American National Standard for Procedure for Use in Preparation of Lamp Space Drawings. ANS

29、I C78.79-2014, American National Standard Nomenclature for Envelope Shapes Intended for Use with Electric Lamps. ANSI C78.81-2014, American National Standard for Electric Lamps Double-based Fluorescent Lamps - Dimensional and Electrical Characteristics ANSI C78.375-2014, American National Standard f

30、or Fluorescent Lamps - Guide for Electrical Measurements. ANSI C78.1195-2001, Double-Capped Fluorescent Lamps Safety Specifications (for 2G13 based lamps only). ANSI C78.1199-2001, Single-Capped Fluorescent Lamps Safety Specifications. ANSI C81.61-2008, American National Standard for Electric Lamp B

31、ases ANSI C81.63-2007, American National Standard for Gauges for Electric Bases and Lampholders. ANSI C82.1-2004, American National Standard for Lamp Ballasts Line Frequency Fluorescent Lamp Ballast. ANSI C82.3-2002, American National Standard for Reference Ballasts for Fluorescent Lamps. ANSI C82.1

32、1-2011, American National Standard for High Frequency Lamp Ballasts in Normative Reference. ANSI C82.12-1999, American National Standard for Lamp Ballasts - Fluorescent Adapters ANSI C82.13-2002, American National Standard for Definitions for fluorescent lamps and ballasts. ANSI/IEEE 100-1992, Ameri

33、can National Standard/IEEE Dictionary of Electrical and Electronic Terms. IEC 60901-1996, Single-Capped Fluorescent Lamps - Specifications C78.901-2014 Page 3 2014 National Electrical Manufacturers Association 4. Definitions For related definitions see ANSI C82.13 and the electrical dictionary ANSI/

34、IEEE 100. 5. Lamp Abbreviations Lamp abbreviations for fluorescent lamps are not officially assigned through any administered designation system. Those used on the data sheets in Part IV are assigned in accordance with the guideline of Annex B. There is no requirement for the use of these abbreviati

35、ons for lamp marking. For some lamp types the referenced data sheet has been adopted from IEC publication 60901. These sheets do not contain a lamp abbreviation per Annex B. They are marked with an IEC designation code (ILCOS), but that code is not used in the USA. 6. Methods of Measurement Electric

36、al measurements necessary to determine the performance of lamps defined in this standard shall be made in accordance with the lamp measurements standard, ANSI C78.375. 7. Reference Ballasts Reference ballasts used for measurements of fluorescent lamps shall meet the general requirements set forth in

37、 the reference ballast standard, ANSI C82.3. It should be noted that the reference ballast standard requires a power factor of 0.075 +/- 0.005 for all 60 Hz fluorescent reference ballasts, unless otherwise specified on a lamp data sheet. A rapid-start reference ballast when called for in this standa

38、rd includes 3.6 volts cathode heating, unless otherwise specified on the relevant lamp data sheets. 8. Product Drawings The drawings included in Part II are product drawings that show the applications of the various coded dimensions that appear on the data sheets. Drawings are only needed to depict

39、families of lamps. The particular values vary with a family in accordance with the values on the relevant lamp data sheet. For self-supporting compact lamps, the general shape and size of a lamps maximum outline is specified in relation to the same drawings and the “Max. Lamp Outline“ dimensions on

40、a lamp data sheet. For the types of lamps covered in this standard, it has been industry practice to overlook minor bulb shape and construction differences in a maximum outline and to merely apply expanded values to the finished lamp dimension to specify the outline. C78.901-2014 Page 4 2014 Nationa

41、l Electrical Manufacturers Association 9. Applications of Lamps on More than One Type of Circuit Lamp data sheets in Part IV specify the intended circuit application. In some cases, a lamp may be used on more than one type of circuit. In such cases, the lamp data sheet will show the information for

42、all of the appropriate circuits. If a particular lamp class has been authorized by the lamp manufacturers for operation at high frequency conditions, the appropriate information will be supplied on the relevant lamp data sheet. 10 Lamp Physical and Dimensional Requirements 10.1 Bulb Specifications E

43、ach lamp data sheet in Part IV specifies the necessary bulb shape, tube diameter, and final lamp shape. Bulb shapes are defined in the bulb nomenclature standard, ANSI C78.79-2014. Due to the long established practice of referring to the diameter of fluorescent lamp bulbs in eighths-of-an-inch units

44、, this standard maintains that practice. For example, a “ diameter bulb is called a T4 bulb. Metric diameters, in millimeters, are shown in parentheses immediately following the customary designation. The basic bulb shape of some single-based fluorescent lamps may be additionally formed in the lamp

45、assembly process to acquire a final “lamp shape“. For example, some final shapes of lamps in this standard are referred to as twin or quad designs. There are not any requirements on finished lamp shape other than the specified lamp dimensions. 10.2 Base Specifications The required standardized base

46、type is specified on each lamp data sheet. Bases on finished lamps shall comply with the base standard, ANSI C81.61. Gauges for checking bases are included in ANSI C81.63. 10.3 Marking The following information shall be distinctly and durably marked on a lamp: - Mark of origin. This may take the for

47、m of a trademark, the manufacturers mark, or the name of the responsible vendor. - Nominal wattage, identified by a suffix “W.“ C78.901-2014 Page 5 2014 National Electrical Manufacturers Association 10.4 Lamp Dimensions Finished lamps shall comply with the “Finished Lamp“ dimensions specified on the

48、 relevant data sheet. Graphical definitions of the dimensional letter codes used on the data sheets are given in Part II. Where maximum lamp outline dimensions are specified, such outlines are the maximum limits of the space that may be occupied by any part of the bulb of a lamp. They are referenced

49、 to the base in a fixed position. Base-to-bulb misalignment is taken into consideration. 10.4.1 Base Alignment of U-Shaped Lamps with 2G13 Bases. All four pins (excluding flanges) of an assembled lamp shall pass simultaneously, without binding, through a single slot 0.120 inch (3.05mm) in width. 10.4.2 Base Rotation of Circular Lamps with G10q Bases. The base on a finished lamp shall be capable of being rotated, without difficulty, over at least an arc of 5 about the normal angle to the plane through the