NEMA C78 81-2014 Electric Lamps - Double-Capped Fluorescent Lamps - Dimensional and Electrical Characteristics.pdf

1、 ANSI C78.81-2014 American National Standard for Electric Lamps Double-Capped Fluorescent Lamps Dimensional and Electrical Characteristics Secretariat: National Electrical Manufacturers Association Approved August 15, 2014 American National Standards Institute ANSI C78.81-2014 2014 National Electric

2、al Manufacturers Association NOTICE AND DISCLAIMER The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreem

3、ent among every person participating in the development of this document. ANSI standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together volunteers and/or seeks out the

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11、ot be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement ANSI C78.81-2014 2014 National Electrical Manufacturers Association i AMERICAN NATIONAL STANDARD Approval of an American National Standard requires verification by ANSI that the requirements for du

12、e process, consensus, and other criteria for approval have been met by the standards developer. 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

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15、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 secretariat or sponsor whose name appears on

16、 the title page 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 CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time.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 to reaffirm, revise, or withdraw this standard no later than five years from the date of

17、 approval. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Published by National Electrical Manufacturers Association 1300 North 17th Street, Suite 900, Rosslyn, Virginia 22209 2014 National E

18、lectrical Manufacturers Association All rights, including translation into other languages, reserved under the Universal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American copyright conventions. No part of this publica

19、tion may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. Printed in the United States of America ANSI C78.81-2014 ii 2014 National Electrical Manufacturers Association Foreword (This foreword is not part of American Na

20、tional Standard C78.81-2014.) 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, Virginia 22209. This revision supersedes ANSI C78.81-2013. This standard featur

21、es the following revisions: 1. 17-Watt, 24-Inch T8, Fluorescent Lamp 7881-ANSI-1001-2 2. 25-Watt 36-Inch T8, Fluorescent Lamp 7881-ANSI-1002-2 3. 25-Watt 48-Inch T8, Fluorescent Lamp 7881-ANSI-1028-2 4. 32-Watt 48-Inch T8, Fluorescent Lamp 7881-ANSI-1005-3 5. 28-Watt, 48-Inch T8, Fluorescent Lamp 78

22、81-ANSI-1029-2 6. 30-Watt, 48-Inch T8, Fluorescent Lamp 7881-ANSI-1030-2 7. 40-Watt, 60-Inch T8, Fluorescent Lamp 7881-ANSI-1007-2 8. 59-Watt, 96-Inch T8, Single Pin Instant Start Fluorescent Lamp 7881-ANSI-1505-2 This standard features the following new additions: 1. 15-Watt, 18-Inch T8, Fluorescen

23、t Lamp 7881-ANSI-1031-1 2. 15-Watt, 24-Inch T8, Fluorescent Lamp 7881-ANSI-1032-1 3. 21-Watt, 36-Inch T8, Fluorescent Lamp 7881-ANSI-1033-1 4. 54-Watt, 96-Inch T8, Single Pin Instant Start Fluorescent Lamp 7881-ANSI-3015-1 ANSI C78.81-2014 2014 National Electrical Manufacturers Association iii CONTE

24、NTS Page Foreword ii 1 Scope 1 1.1 Important Patent Disclaimer . 1 2 General 1 3 Normative References . 1 4 Definitions 2 5 Lamp Abbreviations 2 6 Methods of Measurement . 2 7 Reference Ballasts . 2 8 Product Drawings 3 9 Application of Lamps on More Than One Type of Circuit . 3 10 Lamp Physical and

25、 Dimensional Requirements . 3 10.1 Bulb Specifications 3 10.2 Base Specifications . 3 10.3 Lamp Dimensions . 3 10.3.1 Base Alignment of Finished Lamps . 3 10.3.2 Base Alignment of Lamps with G5 Miniature Bipin Bases. 3 10.3.3 Base Alignment of Lamps with G13 Medium Bipin Bases 3 10.3.4 Base Alignmen

26、t of Lamps with R17d Recessed Double-Contact Bases 4 10.3.5 Base Alignment of Lamps with Fa8 Single Pin Bases . 4 10.4 Color 5 11 Lamp Electrical Characteristics 5 11.1 Lamp Operating Characteristics . 5 11.2 Lamp Starting Requirements 6 12 Requirements for Ballast Design 6 12.1 General . 6 12.2 Lam

27、p Starting Requirements 6 12.2.1 Voltage Between Lamp Terminals. 7 12.2.2 Voltage from Lamp Terminal to Starting Aid . 7 12.2.3 Wave Shape of Rapid-Start Starting Voltage 7 12.2.4 Starting Capacitor 7 12.3 Cathode Heating . 7 12.4 Lamp Operating Current . 8 12.4.1 Lamp Operating Current Limits . 8 1

28、2.4.2 Operating Current Waveshape 8 12.5 Frequency to be Used for HF Operated Lamps 8 ANSI C78.81-2014 iv 2014 National Electrical Manufacturers Association 12.6 Lamp End Temperature Under Abnormal Conditions . 8 13 Requirements for Luminaire Design 9 13.1 General . 9 13.2 Starting aid 9 Annex A Gui

29、de for Establishing Fluorescent Lamp Abbreviations . 11 Annex B Guidelines for the Establishment of Nominal Wattage Values on Fluorescent Lamp Data Sheets 14 Annex C Bibliography . 16 Annex D USA Deviations to Adopted IEC Sheets 17 Tables Table 1 Values of Dimension M and T . 4 Table 2 Lamp Starting

30、 Requirements . 6 Table 3 Ground Plane Distance 9 Table 4 Data Sheet List 19 ANSI C78.81-2014 2014 National Electrical Manufacturers Association 1 PART I General Information and Requirements 1 Scope This standard sets forth the physical and electrical characteristics of the principal types of fluore

31、scent lamps intended for application on conventional line frequency circuits, and electronic high-frequency (HF) circuits. Some data sheets may specify more than one circuit application. Specifications for both the lamp itself and the interactive features of the lamp and ballast are given. Only doub

32、le-based lamps of the regular linear shape are included. Single-based lamps, including compact, circular, square-shaped and U-shaped, are found in ANSI C78.901. Lamps for conventional systems relying on auxiliary support from external ballasts are described. These lamps are those designed for 60 Hz

33、and/or HF operation. Lamp color is not specified herein. Certain lamp types covered in this standard may be similar to those in IEC 60081. However, additional types are included that are used only in North America and are not specified in the IEC standard. 1.1 Important Patent Disclaimer At the time

34、 of publication, it is possible that 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. NEM

35、A shall not be held responsible for 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. The principle

36、s of dimensioning lamps, both as finished lamps and for maximum outline purposes, are defined. Part II Contains dimensioning principles and lamp outline drawings. Part III Contains the annexes. Part IV Contains the lamp data sheets for the lamp classes covered in this standard. Sheets adopted from I

37、EC are not included, but a source reference is listed. 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 s

38、ubject to revision, 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 C78.79-2014, Nomenclature for Envelope Shapes Intended for Use with Electric Lamps ANSI C78

39、.180-2003, Specifications for Fluorescent Lamp Starters ANSI C78.81-2014 2 2014 National Electrical Manufacturers Association ANSI C78.375-1997, Fluorescent Lamps - Guide for Electrical Measurements ANSI C78.376-2001, Specifications for the Chromaticity of Fluorescent Lamps ANSI C81.61-2009, Electri

40、c Lamp Bases ANSI C81.63-2009, Gauges for Electric Lamp Bases and Lampholders ANSI C82.1-2004, Lamp Ballast - Line frequency Fluorescent Lamp Ballast ANSI C82.3-2002, Reference Ballasts for Fluorescent Lamps ANSI C82.11-2011, High Frequency Fluorescent Lamp Ballasts ANSI C82.13-2002, Definitions for

41、 Fluorescent Lamps and Ballasts IEEE 100-2000, Dictionary of Electrical and Electronics Terms ANSI_IEC C78.901-2005, Electric Lamps Fluorescent Single-based Types - Dimensional and Electrical Characteristics ANSI/IEC C78.1195-2001, Double-capped Fluorescent Lamps Safety Specifications 4 Definitions

42、For related definitions see ANSI C82.13 and the electrical dictionary ANSI/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 are assigned in accordance with the Guidelines of

43、Annex A. There is no requirement for the use of these abbreviations for lamp marking. For some lamp types the referenced data sheet has been adopted from IEC publication 60081. These sheets do not contain a lamp abbreviation per Annex A. They are marked with an IEC designation code (ILCOS), but that

44、 code is not used in the USA. 6 Methods of Measurement Electrical 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 flu

45、orescent lamps shall meet the general requirements set forth in 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 fluorescent reference ballasts, unless otherwise specified on a lamp data sheet. Also, no

46、te that rapid-start reference ballasts called for in this standard include 3.6 V cathode heating. ANSI C78.81-2014 2014 National Electrical Manufacturers Association 3 8 Product Drawings The drawings included in Part II are product drawings that show the applications of the various coded dimensions

47、that appear on the data sheets. Drawings are only needed to depict families of lamps; the particular values vary within a family in accordance with the values on the relevant lamp data sheet. No attempt has been made to provide maximum outline drawings to show the space occupied by the lamps. They a

48、re not provided because the need for such has not been established. 9 Application of Lamps on More Than One Type of Circuit Lamp manufacturers may form an industry consensus approving the use of a particular lamp type on more than one type of circuit. In such cases, the lamp data sheet will show the

49、 information for all of the appropriate circuits. 10 Lamp Physical and Dimensional Requirements 10.1 Bulb Specifications Each lamp data sheet in Part IV specifies the necessary bulb shape and tube diameter. Bulb shapes are defined in the bulb nomenclature standard (ANSI C79.1). Due to the long-established practice of referring to the diameter of fluorescent lamp bulbs in eighth-of-an-inch units, this standard maintains that practice. For example, a 1-inch diameter bulb is called a T8 bulb. Metric diameters in millimeters (mm) are