BS EN 61076-2-104:2014 BSI Standards Publication Connectors for electronic equipment — Product requirements Part 2-104:Circular connectors — Detail specification for circular connectors with M8 screw-locking or snap-locking BRITISH STANDARD BS EN 61076-2-104:2014 National foreword This British Standard is the UK implementation of EN 61076-2-104:2014 It is identical to IEC 61076-2-104:2014 It supersedes BS EN 61076-2-104:2008 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee EPL/48, Electromechanical components and mechanical structures for electronic equipment A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2014 Published by BSI Standards Limited 2014 ISBN 978 580 79251 ICS 31.220.10 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2014 Amendments/corrigenda issued since publication Date Text affected EUROPEAN STANDARD EN 61076-2-104 NORME EUROPÉENNE EUROPÄISCHE NORM October 2014 ICS 31.220.10 Supersedes EN 61076-2-104:2008 English Version Connectors for electronic equipment - Product requirements Part 2-104: Circular connectors - Detail specification for circular connectors with M8 screw-locking or snap-locking (IEC 61076-2-104:2014) Connecteurs pour équipements électroniques - Exigences de produit - Partie 2-104: Connecteurs circulaires Spécification particulière pour les connecteurs circulaires M8 vis ou encliquetage (CEI 61076-2-104:2014) Steckverbinder für elektronische Einrichtungen Produktanforderungen - Teil 2-104: Rundsteckverbinder Bauartspezifikation für Rundsteckverbinder M8 mit Schraub- oder Rastverriegelung (IEC 61076-2-104:2014) This European Standard was approved by CENELEC on 2014-10-14 CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels © 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members Ref No EN 61076-2-104:2014 E BS EN 61076-2-104:2014 EN 61076-2-104:2014 -2- Foreword The text of document 48B/2384/FDIS, future edition of IEC 61076-2-104, prepared by SC 48B "Connectors" of IEC/TC 48 "Electromechanical components and mechanical structures for electronic equipment" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61076-2-104:2014 The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-07-14 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-10-14 This document supersedes EN 61076-2-104:2008 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights Endorsement notice The text of the International Standard IEC 61076-2-104:2014 was approved by CENELEC as a European Standard without any modification BS EN 61076-2-104:2014 EN 61076-2-104:2014 -3- Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies NOTE When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies NOTE Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 60050 Series International Electrotechnical Vocabulary - - IEC 60068-1 2013 Environmental testing Part 1: General and guidance EN 60068-1 2014 IEC 60068-2-60 - Environmental testing Part 2: Tests - Test Ke: Flowing mixed gas corrosion test EN 60068-2-60 - IEC 60352 Series Solderless connections EN 60352 Series IEC 60512 Series Connectors for electronic equipment Tests and measurements EN 60512 Series IEC 60529 1989 Degrees of protection provided by enclosures (IP Code) EN 60529 corr May 1991 1993 + A1 1999 + A1 2000 + A2 2013 + A2 2013 IEC 60664-1 2007 Insulation coordination for equipment EN 60664-1 within low-voltage systems Part 1: Principles, requirements and tests 2007 IEC 60998-2-1 - Connecting devices for low-voltage circuits for household and similar purposes Part 2-1: Particular requirements for connecting devices as separate entities with screw-type clamping units EN 60998-2-1 - IEC 60999 Series Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units EN 60999 Series IEC 61076-1 2006 Connectors for electronic equipment Product requirements Part 1: Generic specification EN 61076-1 2006 BS EN 61076-2-104:2014 EN 61076-2-104:2014 -4- Publication Year Title EN/HD Year IEC 61984 - Connectors - Safety requirements and tests EN 61984 - ISO 1302 - Geometrical Product Specifications (GPS) EN ISO 1302 - Indication of surface texture in technical product documentation - –2– BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 CONTENTS Scope Normative references Technical information 3.1 Terms and definitions 3.2 Recommended method of termination 3.3 Number of contacts, ratings and characteristics 3.4 Creepage and clearance distances 3.5 Marking 10 3.6 Safety aspects 10 Dimensional information 10 4.1 General 10 4.2 Survey of styles and variants 10 4.2.1 General 10 4.2.2 Fixed connectors 10 4.2.3 Free connectors 12 Interface dimensions 17 4.3 4.3.1 Pin front and side view A-coding 17 4.3.2 Pin front view B-coding 19 Engagement (mating) information 20 4.4 4.5 Gauges 21 4.5.1 Sizing gauges and retention force gauges 21 Characteristics 22 5.1 Climatic category 22 5.2 Electrical characteristics 22 5.2.1 Rated voltage – Rated impulse voltage – Pollution degree 22 5.2.2 Voltage proof 23 5.2.3 Current-carrying capacity 23 5.2.4 Contact resistance 23 5.2.5 Insulation resistance 23 Mechanical characteristics 24 5.3 5.3.1 Mechanical operation 24 5.3.2 Insertion and withdrawal forces 24 5.3.3 Contact retention in insert 24 5.3.4 Polarizing method 24 5.3.5 Vibration (sinusoidal) 24 Other characteristics 25 5.4 5.4.1 IP degree of protection 25 Test schedule 25 6.1 General 25 6.1.1 Introductury remarks 25 6.1.2 Arrangement for contact resistance measurements 25 6.1.3 Arrangement for dynamic stress tests (vibration) 26 Test schedule 28 6.2 6.2.1 Test group P – Preliminary 28 6.2.2 Test group AP – Dynamic/ Climatic 29 BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 –3– 6.2.3 Test group BP – Mechanical endurance 31 6.2.4 Test group CP – Electrical load 33 6.2.5 Test group DP – Chemical resistivity 34 6.2.6 Test group EP – Connection method tests 34 Annex A (informative) Diameter of the female connector body 35 Figure – Tube insert, male contacts dip solder mounting, long version 11 Figure – Tube insert, male contacts dip solder mounting, short version 11 Figure – Fixed connector with wire ends, male contacts, single hole mounting 11 Figure – Fixed connector with wire ends, female contacts, single hole mounting 12 Figure – Rewireable connector, male contacts, straight version, with locking nut 13 Figure – Rewireable connector, male contacts, right angled version, with locking nut 13 Figure – Non-rewireable connector, male contacts, straight version, snap-locking 14 Figure – Non-rewireable connector, male contacts, straight version, with locking nut 14 Figure – Non-rewireable connector, male contacts, right angled version, with locking nut 14 Figure 10 – Rewireable connector, female contacts, straight version, with locking nut 15 Figure 11 – Rewireable connector, female contacts, right angled version, with locking nut 15 Figure 12 – Non-rewireable connector, female contacts, straight version, snap-locking 15 Figure 13 – Non-rewireable connector, female contacts, right angled version, snaplocking 16 Figure 14 – Non-rewireable connector, female contacts, straight version, with locking nut 16 Figure 15 – Non-rewireable connector, female contacts, right angled version, with locking nut 16 Figure 16 – Pin front view A-coding 17 Figure 17 – Pin side view A-coding 18 Figure 18 – Contact position A-coding – Front view 19 Figure 19 – Pin front view B-coding 19 Figure 20 – Contact position – B-coding – Front view 20 Figure 21 – Engagement (mating) information 20 Figure 22 – Gauge dimensions 22 Figure 23 – Contact resistance arrangement 26 Figure 24 – Dynamic stress test arrangement 27 Figure A.1 – Diameter of the female connector body, coding variant A 35 Figure A.2 – Shape of the female connector body, coding variant B 35 Table – Connector ratings related to coding and number of contacts Table – Creepage and clearance distances Table – Styles of fixed connectors 10 Table – Styles of free connectors 12 Table – Connector dimensions in mated and locked position 21 Table – Gauges 22 Table – Climatic category 22 Table – Rated voltage – Rated impulse voltage – Voltage proof 23 Table – Voltage proof 23 –4– BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 Table 10 – Number of mechanical operations 24 Table 11 – Insertion and withdrawal forces 24 Table 12 – Number of test specimens 25 Table 13 – Test group P 28 Table 14 – Test group AP 29 Table 15 – Test group BP 31 Table 16 – Test group CP 33 Table 17 – Test group DP 34 Table 18 – Test group EP 34 –8– BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 CONNECTORS FOR ELECTRONIC EQUIPMENT – PRODUCT REQUIREMENTS – Part 2-104: Circular connectors – Detail specification for circular connectors with M8 screw-locking or snap-locking Scope This part of IEC 61076 describes circular connectors M8 screw-locking or with nominal diameter mm snap-locking, typically used for industrial process measurement and control These connectors consist of fixed and free connectors either rewireable or non-rewireable Male connectors have round contacts of diameter 0,6 mm, diameter 0,7 mm and diameter 1,0 mm Throughout this detail specification, dimensions are in mm NOTE M8 is the dimension of the thread of the screw-locking mechanism of these circular connectors Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies IEC 60050 (all parts): International http://www.electropedia.org) Electrotechnical Vocabulary (available at IEC 60068-1:2013, Environmental testing - Part 1: General and guidance IEC 60068-2-60, Environmental testing – Part 2: Tests – Test Ke: Flowing mixed gas corrosion test IEC 60352 (all parts), Solderless connections IEC 60512 (all parts), Connectors for electronic equipment – Tests and measurements IEC 60529:1989, Degrees of protection provided by enclosures (IP Code) Amendment 2:2013 Amendment 1:1999 IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1: Principles, requirements and tests IEC 60998-2-1, Connecting devices for low-voltage circuits for household and similar purposes – Part 2-1: Particular requirements for connecting devices as separate entities with screw-type clamping units IEC 60999 (all parts), Connecting devices – Electrical copper conductors – Safety requirements for screw-type and screwless-type clamping units BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 24 – Test voltage 500 V ± 15 V d.c 5.3 5.3.1 Mechanical characteristics Mechanical operation Conditions: IEC 60512, Test 9a Standard atmospheric conditions Maximum speed of operations = 10 mm/s Rest: 30 s, unmated Table 10 – Number of mechanical operations a) 5.3.2 Contact finish Mechanical operations Gold 100 Silver 50 Tin 20 Other types a) Other mating cycles are upon agreement between manufacturer and user Insertion and withdrawal forces Conditions: IEC 60512, Test 13b Standard atmospheric conditions Maximum speed = 10 mm/s Table 11 – Insertion and withdrawal forces 5.3.3 Number of poles Total insertion force N Total withdrawal force N to 23 maximum 23 maximum Contact retention in insert Not applicable For removable crimp type contacts, the introduction of an appropriate requirement is under consideration 5.3.4 Polarizing method Conditions: IEC 60512, Test 13e Standard atmospheric conditions Insertion force: 35 N minimum 5.3.5 Vibration (sinusoidal) Conditions: IEC 60512, Test 6d Standard atmospheric conditions Connectors in mated and locked position The fixed and free connector shall be rigidly installed in a suitable fixture as specified in 6.1.3 Vibration severity: 10 Hz to 500 Hz and 0,35 mm or 50 m/s BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 5.4 – 25 – Other characteristics 5.4.1 IP degree of protection IP65/IP67 according to IEC 60529, connectors in mated and locked position IP68 on agreement between manufacturer and user Test schedule 6.1 6.1.1 General Introductury remarks This test schedule shows the tests and the order in which they shall be carried out as well as the requirements to be met Unless otherwise specified, all tests shall be carried out under standard atmospheric conditions for testing as specified in IEC 60068-1, as directed by the applicable part of IEC 60512 Unless otherwise specified, mated and locked sets of connectors shall be tested Care shall be taken to keep a particular combination of connectors together during the complete test sequence, i.e when unmating is necessary for a certain test, the same connector styles as before shall be mated for the subsequent tests In the following, a mated and locked sets of connector styles is called a specimen When the initial tests P have been completed, the specimens are divided in the test groups AP, BP, CP and DP In addition, 20 single contacts are used for EP Before testing commences, the connectors shall be stored for at least 24 h in the nonengaged state under standard atmospheric conditions as per IEC 60068-1 The necessary specimens are stated in Table 12 Table 12 – Number of test specimens Test group Number of specimens 6.1.2 P AP BP CP DP EP 12 3 3 20 single contacts Arrangement for contact resistance measurements Conditions: see 5.2.4 The measurement of contact resistance shall be carried out on the number of contact pairs stated in the connector detail specification Any subsequent measurements of contact resistance shall be made on the same contacts BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 26 – Measuring points 40 40 Cable Cable Free connector Fixed connector Figure 23 – Contact resistance arrangement 6.1.3 Arrangement for dynamic stress tests (vibration) Conditions: see 5.3.5 BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 27 – Fixed connector 25 max Free connector 25 max Cable clamp Cable clamp Mounting panel Fixture Fixed connector 25 max Free connector 25 max Cable clamp Cable clamp Mounting panel Fixture Connector clamp 25 max Free male connector Free female connector Cable clamp 25 max Cable clamp Fixture Figure 24 – Dynamic stress test arrangement BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 28 – 6.2 6.2.1 Test schedule Test group P – Preliminary All specimens shall be subject to the following tests Table 13 – Test group P Test phase Test Title P1 P2 General examination Polarizing method IEC 60512 Test No 13e Measurement to be performed Severity or condition of test Unmated connectors Title IEC 60512 Test No Requirements All connector styles Visual examination 1a There shall be no defect that would impair normal operation Dimensional examination 1b The dimensions shall comply with those specified in Clause See 5.3.4 It shall be possible to correctly align and mate the appropriate mating connectors It shall not be possible to mate the connectors in any other than the correct manner P3 Measuring points according to 6.1.2 all contacts Contact resistance – Millivolt level method 2a initial value 10 mΩ maximum P4 Test voltage 500 V ± 15 V d.c Method A Insulation resistance 3a 10 Ω P5 Contact/ contact same measuring points as for P4 Voltage proof 4a According to 5.2.2 The specimen shall be divided into five groups All connectors in each group shall undergo the tests specified for the relevant group BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 6.2.2 – 29 – Test group AP – Dynamic/ Climatic Table 14 – Test group AP (1 of 2) Test phase Test Title IEC 60512 Test No AP1 AP2 Gauge retention force AP3 Vibration AP4 AP5 Shock Rapid change of temperature 6d 6c 11d AP6 Climatic sequence 11a AP6.1 Dry heat 11i Measurement to be performed Severity or condition of test Title IEC 60512 Test No Requirements All connector styles See 5.3.2 Insertion and withdrawal forces 13b Requirements see 5.3.2 Female contacts only contacts/ specimen Sizing and retention force gauge, see 4.5 Engaging and separating forces 16e See 4.5 10 Hz to 500 Hz 0,35 mm or 50 mm/s Sweep cycles: 10 Full duration: 6h Contact disturbance 2e Duration of disturbance µs maximum Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Visual examination 1a There shall be no defect that would impair normal operation Arrangement according to 6.1.3 Half sine shock acceleration 490 m/s (50 g) Duration of impact: 11 ms Contact disturbance 2e Duration of disturbance µs maximum Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Visual examination 1a There shall be no defect that would impair normal operation –25 °C to 85 °C, t = 30 min, cycles Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 Visual examination 1a There shall be no defect that would impair normal operation Insulation resistance at high temperature 3a 10 Ω Temperature: 85 °C Duration: 16 h BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 30 – Table 14 (2 of 2) Test phase Test Title IEC 60512 Test No Measurement to be performed Severity or condition of test Title IEC 60512 Test No Requirements All connector styles AP6.2 Damp heat, cyclic, first cycle 11m Method Db Temperature: 40 °C Recovery time: 2h Visual examination 1a There shall be no defect that would impair normal operation AP6.3 Cold 11j Temperature: –25 °C Duration: h Recovery time: 2h Visual examination 1a There shall be no defect that would impair normal operation AP6.4 Damp heat, cyclic, remaining cycles 11m Conditions according to AP6.2 cycles Recovery time: 2h Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 Insertion and withdrawal forces 13b See 5.3.2 Visual examination 1a There shall be no defect that would impair normal operation AP7 Impacting water 14 g AP7.1 IP code second characteristic numeral See IEC 60529 IEC 60529: 1989, Test 14.2.5 and Test 14.2.7 No leakage on contacts AP7.2 IP code first characteristic numeral Dust IP6X Test 6, Table 7, see IEC 60529:198 IEC 60529: 1989, Test Table IP6X no deposit of dust on contacts a) AP7.3 AP8 a) 2b Rise in relation to initial values 15 mΩ maximum Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 Insertion and withdrawal forces 13b See 5.3.2 Visual examination 1a There shall be no defect that would impair normal operation Contact resistance – Millivolt level 2a It is allowed to perform AP7.2 with an additional specimen, extending the total number of specimens by BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 6.2.3 – 31 – Test group BP – Mechanical endurance Table 15 – Test group BP (1 of 2) Test phase Test Title IEC 60512 Test No BP1 BP2 Measurement to be performed Severity or condition of test Female contacts only contacts/ specimen sizing and retention force gauge, see 4.5 Mechanical operation (half of the specified number of operations) 9a Title Requirements IEC 60512 Test No Gauge retention force 16e See 4.5 Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Visual examination 1a There shall be no defect that would impair normal operation Speed 10 mm/s maximum Rest 30 s (unmated) Operations see 5.3.1 Speed: 10 mm/s maximum Rest time: 30 s (unmated) BP3 Climatic test BP3.1 Corrosion industrial atmosphere 11g Flowing mixed gas corrosion – days, test method according to IEC 60068-2-60 Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum BP4 Mechanical operation 9a See BP2 Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 Unmated connectors Visual examination 1a There shall be no defect that would impair normal operation See IEC 60529 IEC 60529: 1989, Test 14.2.5 and Test 14.2.7 BP5.1 IP code second characteristic numeral No leakage on contacts BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 32 – Table 15 (2 of 2) Test phase Test Title IEC 60512 Test No Measurement to be performed Severity or condition of test BP5.2 BP6 BP7 Female contacts only contacts/ specimen Sizing and retention force gauge see 4.5 Title Requirements IEC 60512 Test No Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 Insertion and withdrawal forces 13b Requirements see 5.3.2 Gauge retention force 16e See 4.5 BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 6.2.4 – 33 – Test group CP – Electrical load Table 16 – Test group CP Test phase Test Title CP1 Rapid change of temperature IEC 60512 Test No 11d Severity or condition of test –25 °C to 85 °C, t = h, cycles Measurement to be performed Requirements IEC 60512 Test No All connector styles Title Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 CP2 Mechanical operation 9a See BP2 CP3 Electrical load and temperature 9b Duration: 000 h Ambient temperature: 40 °C Current load ccording to 5.2.3 Recovery time: 2h Temperature sensor in centre of specimen Contact resistance – Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 Spray IPX5IPX7 Test and Test nozzle 6,3 mm Test m 30 IEC 60529: 1989, Test 14.2.5 and Test 14.2.7 CP4 Impacting dust and water CP4.1 IP code second characteristic numeral 14g CP4.2 CP5 Unmated connectors No leakage on contacts Insulation resistance 3a 10 Ω Voltage proof 4a According to 5.2.2 Visual examination 1a There shall be no defect that would impair normal operation BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 34 – 6.2.5 Test group DP – Chemical resistivity Table 17 – Test group DP Test phase Test Title DP1 Resistance to fluids DP2 Retreatment IEC 60512 Test No 19c Measurement to be performed IEC 60512 Test No cycles Clearing of specimen by washing briefly in light petrol DP3 DP4 6.2.6 Title Severity or condition of test Unmated connectors Requirement All connector styles The fluid used for testing is upon agreement between manufacturer and user Contact resistance Millivolt level method 2a Rise in relation to initial values 15 mΩ maximum Voltage proof 4a According to 5.2.2 Visual examination 1a There shall be no defect that would impair normal operation Test group EP – Connection method tests Table 18 – Test group EP Test phase Test Title EP1 Solderless connections: screw, crimp, insulation displacement, insulation piercing, pressin IEC 60512 Test No IEC 60352 Measurement to be performed Severity or condition of test See relevant IEC 60352 standard, for screw-type terminations see relevant IEC 60998-2-1 or IEC 60999 Title IEC 60512 Test No Requirement All connector styles BS EN 61076-2-104:2014 IEC 61076-2-104:2014 © IEC 2014 – 35 – Annex A (informative) Diameter of the female connector body For improvement of the coding safety between the different coding variants (coding types) A and B, an outside diameter of the socket body of ∅ 5,7 –0,1 is recommended for coding variant A, see Figure A.1 For the same reason a special shape of the socket body according to Figure A.2 is recommended for coding variant B ∅5,7–0,1 Figure A.1 – Diameter of the female connector body, coding variant A 0 2,45–0,03 ∅5,65–0,05 0° 30°–1° R1 Figure A.2 – Shape of the female connector body, coding variant B _ This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products are published by BSI Standards Limited About us Revisions We bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions Our British Standards and other publications are updated by amendment or revision The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process Organizations of all sizes and across all sectors choose standards to help them achieve their goals Information on standards We can provide you with the knowledge that your organization needs to succeed Find out more about British Standards by visiting our website at bsigroup.com/standards or contacting our Customer Services team or Knowledge Centre Buying standards You can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at bsigroup.com/shop, where hard copies can also be purchased If you need international and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team Subscriptions Our range of subscription services are designed to make using standards easier for you For further information on our subscription products go to bsigroup.com/subscriptions With British Standards Online (BSOL) you’ll have instant access to over 55,000 British and adopted European and international standards from your desktop It’s available 24/7 and is refreshed daily so you’ll always be up to date You can keep in touch with standards developments and receive substantial discounts on the purchase price of standards, both in single copy and subscription format, by becoming a BSI Subscribing Member PLUS is an updating service exclusive to BSI Subscribing Members You will automatically receive the latest hard copy of your standards when they’re revised or replaced To find out more about becoming a BSI Subscribing Member and the benefits of membership, please visit bsigroup.com/shop With a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet Licences can cover as few or as many users as you wish With updates supplied as soon as they’re available, you can be sure your documentation is current For further information, email bsmusales@bsigroup.com BSI Group Headquarters 389 Chiswick High Road London W4 4AL UK We continually improve the quality of our products and services to benefit your business If you find an inaccuracy or ambiguity within a British Standard or other BSI publication please inform the Knowledge Centre Copyright All the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that owns copyright in the information used (such as the international standardization bodies) and has formally licensed such information to BSI for commercial publication and use Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI Details and advice can be obtained from the Copyright & Licensing Department Useful Contacts: Customer Services Tel: +44 845 086 9001 Email (orders): orders@bsigroup.com Email (enquiries): cservices@bsigroup.com Subscriptions Tel: +44 845 086 9001 Email: subscriptions@bsigroup.com Knowledge Centre Tel: +44 20 8996 7004 Email: knowledgecentre@bsigroup.com Copyright & Licensing Tel: +44 20 8996 7070 Email: copyright@bsigroup.com