ANSI CSA C22.2 NO.43-17-2017 Lampholders (Seventh Edition).pdf

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1、C22.2 No. 43-17LampholdersLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and i

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18、2 No. 43-17 September 2017Title: LampholdersTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2424134 .If you require assistance, please e-mail techsuppo

19、rtcsagroup.org or call 416-747-2233.Visit CSA Groups policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.CSA GroupCSA C22.2 No. 43-17Seventh EditionUnderwriters Laboratories Inc.UL 496Fourteenth EditionLampholdersSeptember 5, 2017ANSI/UL 496-2017Commitmen

20、t for AmendmentsThis standard is issued jointly by the Canadian Standards Association (operating as “CSA Group”) andUnderwriters Laboratories Inc. (UL). Comments or proposals for revisions on any part of the standardmay be submitted to CSA Group or UL at any time. Revisions to this standard will be

21、made only afterprocessing according to the standards development procedures of CSA Group and UL. CSA Group andUL will issue revisions to this standard by means of a new edition or revised or additional pages bearingtheir date of issue.ISBN 978-1-4883-0204-6 2017 CSA GroupAll rights reserved. No part

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24、 Store atwww.ShopCSA.ca or call toll-free 1-800-463-6727 or 416-747-4044.Copyright 2017 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standardshould be altered in any way. All of ULs Standards and all copyrights, ownerships,

25、and rights regardingthose Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Fourteenth Edition including revisions throughSeptember 5, 2017The most recent designation of ANSI/UL 496 as an American National Standard (ANSI) occurred onSeptemb

26、er 5, 2017 ANSI approval for a standard does not include the Cover Page, Transmittal Pages,Title Page (front and back), or the Preface.Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Lin

27、e Collaborative StandardsDevelopment System (CSDS) at https:/.To purchase UL Standards, visit ULs Standards Sales Site at http:/ or call toll-free 1-888-853-3503.NOTE The users attention is called to the possibility that compliance with this standard may requireuse of an invention covered by patent

28、rights.By publication of this standard, no position is taken with respect to the validity of this claim or of anypatent rights in connection there with. The patent holder has, however, filed a statement of willingnessto grant a license under these rights on reasonable and nondiscriminatory terms and

29、 conditions toapplicants desiring to obtain such a license. Details may be obtained from UL.CONTENTSPreface .51 Scope .72 Definitions 83 General .123.1 Components 123.2 Units of Measurement 133.3 Reference Publications .133.4 Terminology 164 Construction .164.1 Enclosures .164.2 Insulating Materials

30、 164.3 Sealing Compound 174.4 Mounting .184.5 Accessibility of Live Parts 214.6 Corrosion Protection .224.7 Current-Carrying Parts .224.8 Supply Connections .234.9 Creepage Distances and Clearances 284.10 Screw Devices .294.11 Screw Lampholders for Use in Wet or Damp Locations .354.12 Pulse-Rated La

31、mpholders .364.13 Lamplocks .374.14 Ceiling outlet-box lampholders .375 Tests .375.1 All Lampholders .375.2 Screw Lampholders 386 Ratings .536.1 Screw Lampholders 536.2 Lampholders Other Than Screw-Type 547 Markings 547.1 General 547.2 Permanence 557.3 Lampholders for Factory Assembly 557.4 Details

32、.567.5 Temperature Rating .57SUPPLEMENT SA LAMPHOLDER ADAPTERS AND LOAD FITTINGSSA1 Scope .77SA2 General 77SA3 Screwshell Size Adapters 77SA4 Lampholder Fittings .80SA5 Temperature Test of Lampholder Fitting .80SUPPLEMENT SB NAVAL-USE LAMPHOLDERSSB1 Scope .82SEPTEMBER 5, 2017 CSA C22.2 NO. 43-17 UL

33、496 3SB2 Naval-Use Screw Lampholders General 82SB3 Naval-Use Screw Lampholders Materials .93SB4 Naval-Use Screw Lampholders Current-Carrying Parts .94SB5 Naval-Use Lampholders And Starter Holders For Fluorescent Lamps General 95SB6 Naval-Use Lampholders And Starter Holders For Fluorescent Lamps Mate

34、rials 100SB7 High Temperature Test .100SB8 Dielectric Voltage-Withstand Test 100SB9 Screw Lampholders Security Tests of Screwshells .100SB10 Lampholders And Starter Holders For Fluorescent Lamps Pull Test-Leads .100SB11 Markings .101SUPPLEMENT SC DIODE LAMP-LIFE EXTENDERSSC1 Scope 102SC2 Constructio

35、n .102SC3 Marking .102SC4 Tests .103SC4.1 Accelerated aging .103SC4.2 Thermal cycling .103SC4.3 Dielectric strength .104SC4.4 Limited short circuit 104SUPPLEMENT SD LAMPHOLDERS FOR INSTANT-START FLUORESCENT LAMPSSD1 Scope 105SD2 General .105SD3 Material Properties of Lampholders 105SD4 Mechanical Pr

36、operties of Lampholders .105SD5 Marking .105ANNEX A (normative) Standards for ComponentsA1 Component Standards .107SEPTEMBER 5, 2017CSA C22.2 NO. 43-17 UL 4964PrefaceThis is the common CSA and UL standard for lampholders. It is the seventh edition of CSA C22.2 No. 43,and the fourteenth edition of UL

37、 496. This edition of CSA C22.2 No. 43 supersedes the previous editionspublished in 2008, 2004, 1984, 1965, 1958, and 1937. This edition of UL 496 supersedes the previousedition published in 2008.This common standard was prepared by a task force comprising members representing the CanadianStandards

38、Association (CSA), Underwriters Laboratories Inc. (UL), NEMA (National ElectricalManufacturers Association), and EFC (Electro-Federation Canada). The efforts and support of theTechnical Harmonization Committee for Lampholders of the Council on the Harmonization ofElectrotechnical Standards of the Na

39、tions of the Americas (CANENA) are gratefully acknowledged.This standard is considered suitable for use for conformity assessment within the stated scope of thestandard.This standard was reviewed by the CSA Integrated Committee on Lighting Products, under the jurisdictionof the CSA Technical Committ

40、ee on Consumer and Commercial Products and the CSA Strategic SteeringCommittee on Requirements for Electrical Safety, and has been formally approved by the CSA TechnicalCommittee.This standard has been approved by the American National Standards Institute (ANSI) as an AmericanNational Standard.A UL

41、standard is current only if it incorporates the most recently adopted revisions, all of which areitemized on the transmittal notice that accompanies the latest set of revised requirements.Where reference is made to a specific number of samples to be tested, the specified number is to beconsidered a

42、minimum quantity.Note: Although the intended primary application of this standard is stated in its scope, it is important to note thatit remains the responsibility of the users of the standard to judge its suitability for their particular purpose.Level of harmonizationThis standard uses the IEC form

43、at but is not based on, nor is it to be considered equivalent to, an IECstandard. This standard is published as an identical standard for CSA and UL.An identical standard is a standard that is exactly the same in technical content except for nationaldifferences resulting from conflicts in codes and

44、governmental regulations. Presentation is word for wordexcept for editorial changes.Reasons for differences from IECThis standard provides requirements for Lampholders in accordance with the codes of Canada and USA.At present there is no IEC standard for Lampholders for use in accordance with these

45、codes. Therefore,this standard does not employ any IEC standard for base requirements.SEPTEMBER 5, 2017 CSA C22.2 NO. 43-17 UL 496 5InterpretationsThe interpretation by the standards development organization of an identical or equivalent standard isbased on the literal text to determine compliance w

46、ith the standard in accordance with the proceduralrules of the standards development organization. If more than one interpretation of the literal text has beenidentified, a revision is to be proposed as soon as possible to each of the standards developmentorganizations to more accurately reflect the

47、 intent.CSA effective dateThe effective date for CSA International will be announced through CSA Informs or a CSA CertificationNotice.SEPTEMBER 5, 2017CSA C22.2 NO. 43-17 UL 49661 Scope1.1 The requirements of this standard cover holders and connectors for electric lamps, includingincandescent, fluor

48、escent, and other electric-discharge-type lamps, rated as indicated in Clause 6, to beused in accordance with the Canadian Electrical Code (CEC), Part I, C22.1, and the National ElectricalCode (NEC), ANSI/NFPA 70.1.2 These requirements cover screw lampholders, including those intended to be mounted

49、directly on anoutlet-box, lampholders for special uses, lampholders for electric signs, and adapters that convert onelampholder size to another.1.3 These requirements also cover holders for automatic starters used with fluorescent lamps.1.4 These requirements also cover GU24 and GU24-1 holders for fluorescent and LED self-ballastedlamps and fluorescent lamp adapters with mating pin bases.1.5 These requirements also cover indicator lamps.1.6 These requirements also cover lampholder inse