IEC 60838-1-2016 Miscellaneous lampholders - Part 1 General requirements and tests《杂类灯座.第1部分 一般要求和试验》.pdf
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1、 IEC 60838-1 Edition 5.0 2016-05 REDLINE VERSION Miscellaneous lampholders Part 1: General requirements and tests IEC 60838-1:2016-05 RLV(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this
2、 publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or ha
3、ve an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varemb Fax: +41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec
4、.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constan
5、t review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. IEC Catalogue - webstore.iec.ch/catalogue The stand-alone application for consulting the entire bibliographical information on IEC International Standards, Technical Specif
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8、ing online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and French, with equivalent terms in 15 additional languages. Also known as the International Electrotechnical Vocabulary (IEV) online. IEC Glossary - std.iec.ch/glossary 65 000 electrotechnic
9、al terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEC Customer Service Centre - webstore.iec.ch/csc If you wish to give us your
10、 feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 60838-1 Edition 5.0 2016-05 REDLINE VERSION Miscellaneous lampholders Part 1: General requirements and tests INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.140.10 ISBN 978-2-8322-34
11、27-3 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 60838-1:2016 RLV IEC 2016 CONTENTS FOREWORD . 3 1 General . 1 Scope 5 2 Normative references . 5 3 Terms and definition
12、s 7 4 General requirement 9 5 General conditions for tests . 9 6 Classification . 11 7 Marking . 11 8 Protection against electric shock 13 9 Terminals 14 10 Provision for earthing . 15 11 Construction 17 12 Moisture resistance, insulation resistance and electric strength 18 13 Mechanical strength .
13、19 14 Screws, current-carrying parts and connections 20 15 Creepage distances and clearances . 21 16 Endurance . 23 17 Resistance to heat and fire 24 18 Resistance to excessive residual stresses (season cracking) and to rusting 28 Annex A (normative informative) Examples of Lampholders covered by th
14、is standard . 29 Annex B (normative) Examples of Suitable metals . 31 Annex C (normative) Season cracking/corrosion test . 32 Annex D (normative) Pendulum impact test apparatus . 34 Bibliography . 37 Annex E (informative) Schedule of amended clauses and subclauses containing more serious/ critical r
15、equirements which require products to be retested . 36 Figure 1 Ball-pressure test apparatus . 25 Figure D.1 Impact test apparatus 34 Figure D.2 Mounting fixture 35 Table 1 Minimum values of insulation resistance. 19 Table 2 Height of fall 20 Table 2a Minimum distances for AC (50 Hz/60 Hz) sinusoida
16、l voltages Impulse withstand category II . 21 Table 2b Minimum distances for AC (50 Hz/60 Hz) sinusoidal voltages Impulse withstand category III 22 Table 3 Minimum distances for non-sinusoidal pulse voltages . 23 Table A.1 Lampholders covered by this standard 29 Table C.1 Test solution 32 IEC 60838-
17、1:2016 RLV IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MISCELLANEOUS LAMPHOLDERS Part 1: General requirements and tests FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC
18、National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, P
19、ublicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- go
20、vernmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IE
21、C on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are acce
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24、tter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users sho
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