1、NEMA Standards PublicationNational Electrical Manufacturers AssociationANSI C81.61-2017Electric Lamp Bases Specifications for Bases (Caps) for Electric Lamps 2017 National Electrical Manufacturers Association ANSI C81.61-2017 American National Standard for Electric Lamp Bases Specifications for Base
2、s (Caps) for Electric Lamps Secretariat: National Electrical Manufacturers Association Approved: January 24, 2017 American National Standards Institute, Inc. NOTICE AND DISCLAIMER The information in this publication was considered technically sound by the consensus of persons engaged in the developm
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11、r installations for safety or health purposes. Any certification or other statement of compliance with any health- or safety-related information in this document shall not be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement. ANSI C81.61-2017 Page i 201
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18、n periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards can receive current information on all standards by calling or writing the American National Standards Institute, Inc. Published by National Electrical Manufacturers Association 1300 North 17thSt
19、reet, Suite 900, Rosslyn, Virginia 22209 2017 National Electrical 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 Pa
20、n American copyright conventions. 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 C81.61-2017 Page ii 2017 National Electrical Manufacturers Asso
21、ciation Foreword (This foreword is not part of American National Standard ANSI C81.61) In 1990 and 1991 the American National Standards (ANS) for lamp bases, lampholders and gauges were split into three separate standards to correspond with the IEC format. ANSI C81.61, ANS for Electric Lamp Bases, p
22、aralleled IEC 60061-1; ANSI C81.62, ANS for Lampholders for Electric Lamps, paralleled IEC 60061-2; and ANSI C81.63, Gauges for Electric Lamp Bases and Lampholders, paralleled IEC 60061-3. Also a fourth standard, ANSI C81.64, Guidelines for Electrical Lamp Bases, Lampholders and Gauges, was publishe
23、d to parallel IEC 60061-4 in 1993. In 1996 the first IEC data sheets were adopted “as is” as Nationally Acknowledged International Standards and published as Supplement g to the existing C81.61, 62 and 63 standards. Now many more (if not most) ANSI base standard sheets are IEC sheets adopted as ANSI
24、 standards. In 2003 a revision and consolidation of ANSI C81.61 was issued to include, first, a reference to all IEC base (cap) standard sheets adopted as ANSI standards. Second, standard sheets for a small number of bases used mainly in North America or not harmonized with IEC are found in Part II.
25、 Part III contained any United States deviations to the IEC standard sheets, which had been adopted as Nationally Acknowledged International Standards as published in IEC 60061-1. Part IV contained an informative annex on first versus third angle projection and related standards. ANSI C81.61-2017 Pa
26、ge iii 2017 National Electrical Manufacturers Association CONTENTS Foreword . ii PART IGeneral Information and Requirements . 1 1 Scope . 1 2 Normative References . 13 General Information . 1 PART IIANSI Standard Sheets for Bases (Caps) for Electric Lamps 8 PART IIIUnited States Deviations to IEC Ha
27、rmonized Electric Lamp Base Standard Sheets 97 PART IVAnnexes . 98 Annex A Contrast of Projection Methods on Engineering Drawings 98 Annex B Related Standards . 99 ANSI C81.61-2017 Page iv 2017 National Electrical Manufacturers Association ANSI C81.61-2017 Page 1 2017 National Electrical Manufacture
28、rs Association PART I General Information and Requirements 1 Scope This standard sets forth the specifications for bases (caps) used on electric lamps. 1.1 Important Patent Disclaimer At the time of publication, it is possible that some of the elements of this document may be the subject of patent r
29、ights. 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 for identifying any or all such patent rights. 2 Normative References The
30、 following publications 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 revision, and parties to agreements based on this American National
31、Standard are encouraged to investigate the possibility of applying the most recent editions of the publications indicated below. ANSI C81.62-2009 (R2014) Lampholders for Electric Lamps ANSI C81.63-2009 (R2014) Gauges for Bases (Caps) and Lampholders for Electric Lamps IEC 60061 Lamp caps and holders
32、 together with gauges for the control of interchangeability and safety Part 1: Caps IEC 60061-1 Ed. 3 including Amendment 39-2007 Part 2: Lampholders IEC 60061-2 Ed. 3 including Amendment 36-2007 Part 3: Gauges IEC 60061-3 Ed. 3 including Amendment 38-2007 3 General Information Two types of base sta
33、ndard sheets are identified in this standard, and both are listed in Table 1, ANSI and IEC Lamp Base Standard Sheets. All base types are listed in color to indicate their typical applications: blue for automotive and miniature; green for general lighting service, including common Edison screw base;
34、red for fluorescent; and black for miscellaneous, including specialty, photo, projection, and studio stage applications. For some bases, either no international standard exists or the international standard is not acceptable at this time. For such bases an ANSI standard sheet is included. These stan
35、dard sheets are identified in Table 1, “ANSI and IEC Lamp Base Standard Sheets” under the column heading “ANSI C81.61-2016.” These standard sheets are found in Part I. Certain standard sheets from International Electrotechnical Commission (IEC) standard 60061-1, Lamp caps and holders together with g
36、auges for the control of the interchangeability and safety Part 1: Lamp caps, and its supplements, have been adopted as Nationally Acknowledged International Standards and constitute part of the American National Standard for Lamp Bases (Caps). The standard sheets for these bases are not included bu
37、t are identified in Table I, “ANSI and IEC Lamp Base Standard Sheets,” under the column heading “IEC 60061-1.” If there are any U.S. deviations from these standard sheets, the sheet number is marked with a footnote and the deviations are found in Part III. ANSI C81.61-2017 Page 2 2017 National Elect
38、rical Manufacturers Association These IEC standards are available from: American National Standards Institute, Inc. Attn: Customer Service 25 West 43rd Street, 4thFloor New York, NY 10036 They are also available by calling (212) 642-4900 during normal business hours and they can be purchased electro
39、nically at www.ansi.org. The drawings on the internationally standardized (IEC) sheets are in first angle projection rather than the third angle commonly used in the North American (ANSI)approved standard sheets. Part IV, Annex A explains the difference between the two systems. In addition, the comm
40、on American term “Base” is internationally known as “Cap.” Internationally, the decimal point (.) is not used in dimensions, rather a comma (,) separates a decimal number, e.g., 4,5 rather than 4.5. However, in the designation of a fit, the decimal point is used, e.g., GY6.35. This standard is used
41、in conjunction with ANSI C81.62-2009 (R2014), Lampholders for Electric Lamps; ANSI C81.63-2009 (R2014), Gauges for Bases and Lampholders for Electric Lamps; and IEC 60061, Lamp caps and holders together with gauges for the control of interchangeability and safety, Part 2: Lampholders, and Part 3: Ga
42、uges. ANSI C81.61-2017 Page 3 2017 National Electrical Manufacturers Association Table 1 ANSI and IEC Lamp Base (Cap) Standard Sheets System Description Standard Sheets IEC 60061-1 ANSI C81.61 Bayonet bases B/BX8.4d Small instrument panel bayonet base 7004-140-1 BA9 Miniature bayonet 1-10-2 BAW9s Ba
43、se for HY21W lamp 7004-149-1 BAZ9s Base for HY6W lamp 7004-150-1 BA15s, BA15d Candelabra single- and double-contact bayonet 1-20-2 BAY15s, BAY15d Single- and double-contact bayonet with offset pins 1-22-2 BAZ15d Double-contact bayonet with offset and non-aligned pins 1-23-2 BY22d Multipurpose sleeve
44、d double-contact bayonet 7004-17-3 Edison screw bases E5 Midget screw 7004-25-3 E10 Miniature screw 7004-22-6* E11 Mini-candelabra screw 7004-6-1 E12 Candelabra screw 7004-28-2 E17 Intermediate screw 7004-26-2 E26/24 Single-contact medium screw 7004-21A-2 E26d Double-contact medium screw 7004-29-2 E
45、26/50x39 Skirted medium screw for PAR lamps 7004-130-1* E26/53x39 Extended skirted medium screw for R- lamps 1-162-2 E29/28 Admedium screw for high intensity discharge (HID) lamps 1-930-1 E29/53x39 Extended skirted admedium screw for HID PAR lamps 1-931-1 E39 Single-contact mogul screw 7004-24A-1 E3
46、9d Double-contact mogul screw 1-187-2 EP39 Position-oriented mogul screw 1-202-2 EX39 Exclusionary mogul screw for HID lamps 1-210-1 Single-pin bases Fc2 HID slide side contact 7004-114-1 Fa8 Fluorescent single-pin 7004-57-2 Multiple-pin bases GY1.3-2.4 Two-pin for T-3/4 subminiature lamps 7004-2-2
47、GY1.3-3.2 Two-pin for T-1 subminiature lamps 7004-2-2 GY2.5 Two-pin for T-1 3/4 subminiature lamps 7004-3-2 GY3.2 Two-pin for T-1 3/4 subminiature lamps 7004-4-2 G4 Two-pin for single-ended tungsten halogen (TH) general lighting service (GLS) lamps 7004-72-3 GU4 Two-pin for MR11 GLS lamps with retai
48、ner slots or ridges 7004-108-2 GZ4 Two-pin for MR11 projection lamps 7004-67-3 G5 Fluorescent miniature two-pin 1-310-2 G5.3 Two-pin for single-ended TH projection lamps 7004-73-2 GU5.3 Two-pin for MR16 GLS lamps with retainer slots or ridges 7004-109-2 GX5.3 Two-pin for MR13 and low-voltage MR16 pr
49、ojection lamps 7004-73A-2 GY5.3 Two-pin for high-voltage MR16 projection lamps 7004-73B-2 G/GX/GY6.35 Two-pin for single-ended TH GLS lamps 7004-59-6 GZ6.35 Two-pin for MR16 projection lamps 7004-59A-3 2G7 Four-pin compact fluorescent, two retainers 7004-102-1 GU6.5 Two-pin turn-and-lock for metal halide lamps 7004-152-1 G6.6 Two-pin with an additional ground pin for T-LED Snap-Fit design 1-401-1 2GX7 Four-pin compact fluorescent, four retainers 7004-103-1 GU7 Two-pin turn-and-lock for reflector lamps 7004-113-1 G7.9 Side pin for high-voltage reflector pro
