Appliance couplers for household and similar general purposes - Part 1: General requirements

lEC 60320-1:2015(E) sets the general requirements for appliance couplers for two poles and two poles with earth contact and for the connection of electrical devices for household and similar onto the mains supply. This part of lEC 60320 is also valid for appliance inlets/appliance outlets integrated or incorporated in appliances. The rated voltage does not exceed 250 V (a.c.) and the rated current does not exceed 16 A. This third edition cancels and replaces the second edition published in 2001 and Amendment 1:2007. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Standard sheets moved from IEC 60320-1 to IEC 60320-3. b) Clarification of requirements for non-standardized appliance couplers.

Gerätesteckvorrichtungen für den Hausgebrauch und ähnliche allgemeine Zwecke –Teil 1: Allgemeine Anforderungen

Connecteurs pour usages domestiques et usages généraux analogues - Partie 1: Exigences générales

L'IEC 60320-1:2015 établit les exigences générales applicables aux connecteurs bipolaires et bipolaires avec contact de mise à la terre et destinés au raccordement au réseau d'alimentation des dispositifs électriques pour usages domestiques et assimilés. La présente partie de l'IEC 60320 est également valable pour les socles de connecteurs/socles femelles de connecteurs intégrés ou incorporés dans des appareils d'utilisation. La tension assignée ne dépasse pas 250 V (courant alternatif) et le courant assigné ne dépasse pas 16 A. Cette troisième édition annule et remplace la deuxième édition parue en 2001 et l'Amendement 1:2007. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: a) Feuilles de norme déplacées de l'IEC 60320-1 dans l'IEC 60320-3. b) Clarification des exigences relatives aux connecteurs non normalisés. La présente version bilingue (2016-11) correspond à la version anglaise monolingue publiée en 2015-06. La version française de cette norme n'a pas été soumise au vote.

Aparatne spojke za gospodinjstva in podobne splošne namene - 1. del: Splošne zahteve (IEC 60320-1:2015)

Ta del standarda lEC 60320 določa splošne zahteve za aparatne spojke za dva pola in dva pola z ozemljitvijo ter povezavo električnih naprav za gospodinjske in podobne namene z napajalnim omrežjem.
Ta del standarda lEC 60320 se uporablja tudi za vhode/izhode aparatov, ki so vgrajeni v aparate oziroma jih ti vključujejo.
Nazivna napetost ne presega 250 V (pri izmeničnem toku) in nazivni tok ne presega 16 A. Aparatne spojke v skladu s tem delom standarda lEC 60320 so primerne za običajno uporabo pri temperaturah okolja, ki običajno ne presegajo 40 °C, vendar njihovo povprečje v 24-urnem obdobju ne presega 35 °C, pri čemer je spodnja meja temperature okoljskega zraka –5 °C. Aparatne spojke niso primerne za:
– uporabo namesto vtičnih naprav v skladu s standardom IEC 60884-1;
– uporabo namesto naprav za priključitev svetilk (DCL) v skladu s standardom IEC 61995 ali spojk za podporo svetilk (LSC).
OPOMBA: Zahteve za enosmerni tok se ne uporabljajo.

General Information

Status
Published
Publication Date
17-Sep-2015
Drafting Committee
Current Stage
6060 - Document made available
Due Date
18-Sep-2015
Completion Date
18-Sep-2015

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aparatne spojke za gospodinjstva in podobne splošne namene - 1. del: Splošne zahteve (IEC 60320-1:2015)Gerätesteckvorrichtungen für den Hausgebrauch und ähnliche allgemeine Zwecke -Teil 1: Allgemeine Anforderungen (IEC 60320-1:2015)Appliance couplers for household and similar general purposes - Part 1: General requirements (IEC 60320-1:2015)Appliance couplers for household and similar general purposes - Part 1: General requirements (IEC 60320-1:2015)29.120.30Plugs, socket-outlets, couplersICS:Ta slovenski standard je istoveten z:EN 60320-1:2015SIST EN 60320-1:2015en,fr,de01-december-2015SIST EN 60320-1:2015SLOVENSKI

STANDARDSIST EN 60320-1:2003/A1:2008SIST EN 60320-1:20031DGRPHãþD
SIST EN 60320-1:2015
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 60320-1
September 2015 ICS 29.120.30
Supersedes
EN 60320-1:2001
English Version

Appliance couplers for household and similar general purposes - Part 1: General requirements (IEC 60320-1:2015)

Connecteurs pour usages domestiques et usages généraux analogues - Partie 1: Exigences générales (IEC 60320-1:2015)

Gerätesteckvorrichtungen für den Hausgebrauch und ähnliche allgemeine Zwecke -Teil 1: Allgemeine Anforderungen (IEC 60320-1:2015) This European Standard was approved by CENELEC on 2015-07-29. 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 © 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 60320-1:2015 E SIST EN 60320-1:2015

EN 60320-1:2015 2 European foreword The text of document 23G/345/FDIS, future edition 3 of IEC 60320-1, prepared by SC 23G "Appliance couplers", of IEC/TC 23 "Electrical accessories" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60320-1:2015. 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) 2016-04-29 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-07-29

This document supersedes EN 60320-1:2001. 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 60320-1:2015 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60364-4-44 NOTE Harmonized as HD 60364-4-44. IEC 61140 NOTE Harmonized as EN 61140. ISO 1466 NOTE Harmonized as EN ISO 1456. ISO 2081 NOTE Harmonized as EN ISO 2081.

SIST EN 60320-1:2015
EN 60320-3:2014 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 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.

NOTE 2 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 60068-2-31 -

Environmental testing -- Part 2-31: Tests - Test Ec: Rough handling shocks, primarily for equipment-type specimens EN 60068-2-31 -

IEC 60068-2-60 -

Environmental testing -- Part 2-60: Tests - Test Ke: Flowing mixed gas corrosion test EN 60068-2-60 1) -

IEC 60068-2-75 -
Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests EN 60068-2-75 -
IEC 60112 -

Method for the determination of the proof and the comparative tracking indices of solid insulating materials EN 60112 -

IEC 60227 series

Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V --

- series
IEC 60245 series
Rubber insulated cables - Rated voltages up to and including 450/750 V - series
IEC 60320 series
Appliance couplers for household and similar general purposes EN 60320 series
IEC 60320-3 2014

Appliance couplers for household and similar general purposes - Part 3: Standard sheets and gauges EN 60320-3 2014

IEC 60417 -

Graphical symbols for use on equipment. Index, survey and compilation of the single sheets. - -

IEC 60664-1 2007

Insulation coordination for equipment within low-voltage systems -- Part 1: Principles, requirements and tests EN 60664-1 2007

IEC 60695-2-10 2000

Fire hazard testing -- Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure EN 60695-2-10 2001

IEC 60695-2-11 2000

Fire hazard testing -- Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products EN 60695-2-11 2001

1) To be published SIST EN 60320-1:2015
EN 60320-1:2015 4 IEC 60695-2-12 2000

Fire hazard testing -- Part 2-12: Glowing/hot-wire based test methods - Glow-wire flammability test method for materials EN 60695-2-12 2001 IEC 60695-2-13 2000

Fire hazard testing -- Part 2-13: Glowing/hot-wire based test methods - Glow-wire ignitability test method for materials EN 60695-2-13 2001 IEC 60695-10-2 -

Fire hazard testing -- Part 10-2: Abnormal heat - Ball pressure test method EN 60695-10-2 -

IEC 60730-2-11 -

Automatic electrical controls for household and similar use -- Part 2-11: Particular requirements for energy regulators EN 60730-2-11 -

IEC 60999-1 -

Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units -- Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm² up to 35 mm² (included) EN 60999-1 -

IEC 61058 series
Switches for appliances EN 61058 series
SIST EN 60320-1:2015
IEC 60320-1 Edition 3.0 2015-06 INTERNATIONAL STANDARD
Appliance couplers for household and similar general purposes –
Part 1: General requirements
INTERNATIONAL ELECTROTECHNICAL COMMISSION
ICS 29.120.30
ISBN 978-2-8322-2740-4
® Registered trademark of the International Electrotechnical Commission ®

Warning! Make sure that you obtained this publication from an authorized distributor. SIST EN 60320-1:2015

– 2 – IEC 60320-1:2015  IEC 2015

CONTENTS FOREWORD ......................................................................................................................... 6 1 Scope ............................................................................................................................ 8 2 Normative references..................................................................................................... 8 3 Terms and definitions .................................................................................................... 9 4 General requirements .................................................................................................. 12 5 General notes on tests ................................................................................................. 13 5.1 General ............................................................................................................... 13 5.2 Test samples ...................................................................................................... 13 5.3 Failures .............................................................................................................. 13 5.4 Routine tests ....................................................................................................... 13 6 Standard ratings .......................................................................................................... 14 7 Classification of appliance couplers ............................................................................. 14 8 Marking ....................................................................................................................... 14 8.1 General ............................................................................................................... 14 8.2 Additional markings ............................................................................................. 14 8.3 Appliance couplers for class II equipment ............................................................ 15 8.4 Symbols or alphanumeric notations ..................................................................... 15 8.5 Legibility of markings........................................................................................... 15 8.6 Terminal markings and wiring instructions ............................................................ 15 8.7 Durability ............................................................................................................ 16 8.8 Test and inspection ............................................................................................. 16 9 Dimensions and compatibility ....................................................................................... 16 9.1 General ............................................................................................................... 16 9.2 Single‐pole connections ...................................................................................... 16 9.3 Compatibility ....................................................................................................... 16 9.4 Dimensions for standardized appliance couplers .................................................. 17 9.5 Dimensions for non-standardized appliance couplers ........................................... 17 10 Protection against electric shock .................................................................................. 17 10.1 Accessibility of live parts ..................................................................................... 17 10.2 Protection against single pole connection ............................................................ 18 10.3 Protection against access to live parts ................................................................. 18 10.4 External parts ..................................................................................................... 18 10.5 Shrouds .............................................................................................................. 18 11 Provision for earthing ................................................................................................... 18 12 Terminals and terminations .......................................................................................... 18 12.1 General ............................................................................................................... 18 12.2 Rewirable appliance couplers .............................................................................. 19 12.3 Non‐rewirable appliance couplers ........................................................................ 19 13 Construction ................................................................................................................ 19 13.1 Risk of accidental contact .................................................................................... 19 13.2 Contact positions ................................................................................................ 19 13.3 Parts covering live parts ...................................................................................... 19 13.4 Pin construction .................................................................................................. 20 13.4.1 Prevention of rotation ................................................................................... 20 13.4.2 Pin retention ................................................................................................ 20 SIST EN 60320-1:2015

IEC 60320-1:2015  IEC 2015 – 3 –

13.4.3 Non‐solid pins .............................................................................................. 20 13.5 Contact pressure ................................................................................................. 21 13.6 Enclosure............................................................................................................ 21 13.6.1 General ....................................................................................................... 21 13.6.2 Rewirable connectors/plug connectors .......................................................... 21 13.6.3 Non-rewirable connectors/plug connectors .................................................... 22 13.7 Earth connection ................................................................................................. 22 13.8 Location of terminals and terminations ................................................................. 23 13.8.1 General ....................................................................................................... 23 13.8.2 Free wire test for rewirable accessories ........................................................ 23 13.8.3 Free wire test for non-rewirable non-moulded-on accessories ....................... 23 13.8.4 Free wire verification for non-rewirable moulded-on accessories ................... 24 13.9 Connectors/plug connectors without earthing contact ........................................... 24 13.10 Fuses, relays, thermostats, thermal cut-outs and switches ................................... 24 14 Moisture resistance ..................................................................................................... 24 15 Insulation resistance and electric strength .................................................................... 25 15.1 General ............................................................................................................... 25 15.2 Insulation resistance ........................................................................................... 26 15.3 Dielectric strength ............................................................................................... 27 16 Forces necessary to insert and to withdraw the connector/appliance outlet ................... 28 16.1 General ............................................................................................................... 28 16.2 Verification of the maximum withdrawal force ....................................................... 28 16.3 Verification of the minimum withdrawal force ........................................................ 30 17 Operation of contacts ................................................................................................... 31 18 Resistance to heating of appliance couplers for hot conditions or very hot conditions .................................................................................................................... 31 18.1 General ............................................................................................................... 31 18.2 Heating test for connectors/plug connectors ......................................................... 31 18.3 Heating test for appliance inlets/appliance outlets ................................................ 32 19 Breaking capacity ........................................................................................................ 32 20 Normal operation ......................................................................................................... 34 21 Temperature rise ......................................................................................................... 34 22 Cords and their connection .......................................................................................... 35 22.1 Cords for non-rewirable connectors/plug connectors ............................................ 35 22.2 Cord anchorage .................................................................................................. 36 22.2.1 General ....................................................................................................... 36 22.2.2 Additional requirements for rewirable connectors/plug connectors ................. 36 22.2.3 Pull test for cable anchorage ........................................................................ 37 22.3 Flexing test ......................................................................................................... 39 23 Mechanical strength ..................................................................................................... 41 23.1 General ............................................................................................................... 41 23.2 Free fall test ........................................................................................................ 42 23.3 Lateral pull test ................................................................................................... 42 23.4 Impact test .......................................................................................................... 44 23.5 Deformation test .................................................................................................. 44 23.6 Torque and pull test ............................................................................................ 45 24 Resistance to heat and ageing ..................................................................................... 45 SIST EN 60320-1:2015

– 4 – IEC 60320-1:2015  IEC 2015

24.1 Resistance to heat .............................................................................................. 45 24.2 Resistance to ageing ........................................................................................... 46 24.2.1 General ....................................................................................................... 46 24.2.2 Ageing test for elastomeric materials ............................................................ 46 24.2.3 Ageing test for thermoplastic materials ......................................................... 46 24.2.4 Ageing test assessment ............................................................................... 46 25 Screws, current-carrying parts and connections ............................................................ 47 25.1 General ............................................................................................................... 47 25.2 Electrical connections ......................................................................................... 48 25.3 Securement of connections ................................................................................. 48 25.4 Metallic parts ...................................................................................................... 48 26 Clearances, creepage distances and solid insulation .................................................... 49 26.1 General ............................................................................................................... 49 26.2 Clearances ......................................................................................................... 49 26.2.1 Dimensioning ............................................................................................... 49 26.2.2 Minimum values for clearances .................................................................... 50 26.3 Creepage distances ............................................................................................ 51 26.3.1 Dimensioning ............................................................................................... 51 26.3.2 Minimum creepage distances ....................................................................... 51 26.4 Solid insulation ................................................................................................... 52 27 Resistance of insulating material to heat, fire and tracking ............................................ 53 27.1 Resistance to heat and fire .................................................................................. 53 27.1.1 General ....................................................................................................... 53 27.1.2 Object of the test ......................................................................................... 53 27.1.3 General description of the test ...................................................................... 53 27.1.4 Description of test apparatus ........................................................................ 53 27.1.5 Degree of severity ........................................................................................ 53 27.1.6 Verification of the thermocouple ................................................................... 54 27.1.7 Preconditioning ............................................................................................ 54 27.1.8 Initial measurements .................................................................................... 54 27.1.9 Test procedure ............................................................................................. 54 27.1.10 Observations and measurements .................................................................. 54 27.1.11 Evaluation of test results .............................................................................. 54 27.2 Resistance to tracking ......................................................................................... 54 28 Resistance to rusting ................................................................................................... 54 29 Electromagnetic compatibility (EMC) requirements ....................................................... 55 29.1 Immunity – Accessories not incorporating electronic components ......................... 55 29.2 Emission – Accessories not incorporating electronic components ......................... 55 Annex A (normative)

Proof tracking test ............................................................................. 56 Annex B (normative)

Routine tests for factory wired appliance couplers related to safety ................................................................................................................................. 57 B.1 General ............................................................................................................... 57 B.2 Polarized systems: Phase (L) and neutral (N) – Correct connection ...................... 57 B.3 Earth (PE) continuity ........................................................................................... 58 B.4 Short-circuit/wrong connection and reduction in creepage distance and clearance ..................................................................................................... 58 B.4.1 Accessible surface safety check ................................................................... 58 B.4.2 Short-circuit/wrong connection ..................................................................... 58 SIST EN 60320-1:2015

IEC 60320-1:2015  IEC 2015 – 5 –
Annex C (normative)

Test schedule .................................................................................... 59 Annex D (informative)

Comparison of typical conductor cross-sectional areas ..................... 61 Bibliography ....................................................................................................................... 62

Figure 1 – Intended use of appliance couplers ..................................................................... 10 Figure 2 – Device for testing non-solid pins ......................................................................... 21 Figure 3 – Apparatus for checking the withdrawal force ....................................................... 29 Figure 4 – Gauge for verification of the minimum withdrawal force ....................................... 30 Figure 5 – Circuit diagram for breaking capacity and normal operation tests ......................... 33 Figure 6 – Apparatus for testing the cord anchorage ............................................................ 37 Figure 7 – Apparatus for the flexing test .............................................................................. 40 Figure 8 – Example of apparatus for pulling test .................................................................. 43

Table 1 – Position of contacts ............................................................................................. 19 Table 2 – Maximum diameters of the cords .......................................................................... 26 Table 3 – Minimum insulation resistance ............................................................................. 27 Table 4 – Dielectric strength ............................................................................................... 27 Table 5 – Maximum and minimum withdrawal forces ............................................................ 28 Table 6 – Ratings for the tests of Clause 19 ......................................................................... 33 Table 7 – Ratings for the tests of Clause 20 ........................................................................ 34 Table 8 – Cords and conductors for the tests of Clause 21 .................................................. 35 Table 9 – Type and nominal cross-sectional area of cords ................................................... 36 Table 10 – Types of cord for the rewirable connector/plug connector test ............................. 38 Table 11 – Values for the lateral pulls applied ..................................................................... 44 Table 12 – Values for torque and pull forces ........................................................................ 45 Table 13 – Torque applied for the tightening and loosening test ........................................... 48 Table 14 – Rated impulse withstand voltage for appliance couplers energized directly from the low voltage mains .................................................................................................. 50 Table 15 – Minimum clearances for basic insulation ............................................................ 51 Table 16 – Minimum creepage distances for basic and functional insulation ......................... 52 Table B.1 – Test overview ................................................................................................... 57 Table C.1 – Test schedule .................................................................................................. 59 Table D.1 – Comparison of conductor sizes ......................................................................... 61

SIST EN 60320-1:2015
– 6 – IEC 60320-1:2015  IEC 2015
INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
APPLIANCE COUPLERS FOR HOUSEHOLD
AND SIMILAR GENERAL PURPOSES –
Part 1: General requirements

FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC 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, Publicly 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-governmental 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 IEC 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 accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation

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