SC 23G - Appliance couplers

IEC 60799:2018 specifies requirements for cord sets and interconnection cord sets for household and similar general purpose equipment. It does not apply to cord sets for industrial purposes (with plugs and connectors according to IEC 60309) nor to cord extension sets. This third edition cancels and replaces the second edition published in 1998. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- alignment with IEC 60320-1:2015;
- extension to include appliance couplers in accordance with IEC 60320-2-3;
- (Under preparation. Stage at the time of publication: IEC/FDIS 60320-2-3:2018)

lEC 60320-3:2014 sets the dimensions for appliance couplers for two poles and two poles with earth contact:
- for the connection of electrical devices for household and similar onto the mains supply and
- for the interconnection of the electrical supply to appliance or equipment
- and dimensions for gauges.
This publication is to be read in conjunction with IEC 60320-1:2007.

lEC 60320-1:2021 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 document is also valid for appliance inlets/appliance outlets integrated or incorporated in appliances.
This fourth edition cancels and replaces the third edition published in 2015 and Amendment 1:2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:  
introduction of necessary tolerances throughout this document;
the heating test from edition 2 is reintroduced in 18.2;
temperature rise added for plug connectors in Clause 21;
change for better readability in 23.3;
updated lateral pull test in 23.6 for connectors/plug connectors with separate front parts;
revision of 24.1 for ball pressure test;
Clause 27 for glow wire test is updated;
revision of Annex C for test sequences;
additional Annex E for additional tests and requirements for appliance couplers intended to be used in ambient temperatures above +35 °C.

IEC 60320-2-4:2018 is applicable to two-pole appliance couplers for alternating current only, with or without earthing contact, with a rated voltage not exceeding 250 V and a rated current not exceeding 16 A, for household and similar general purposes and intended for incorporation or integration within electric appliances or other electric equipment of multi‑part construction for 50 Hz or 60 Hz supply which depend on the weight of the appliance to ensure correct engagement. This second edition cancels and replaces the first edition published in 2005 and Amendment 1:2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- IEC 60320-2-4 is aligned with IEC 60320-1:2015.
- IEC 60320-2-4 is aligned with IEC 60335-1 and IEC 60335-2-15. IEC 60320-2-4 appliance couplers are incorporated into appliances designed and manufactured to these standards. To this end, particular attention is drawn to 14.2 and Clause 20.
- It also now proposes that appliance couplers with auxiliary contacts be considered.

IEC 60320-1:2018 applies with the following addition: This document applies to appliance couplers with a degree of protection against ingress of water higher than IPX0. This second edition cancels and replaces the first edition published in 1998 and Amendment 1:2004. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- Aligned with IEC 60320-1:2015.
- The scope is extended to cover current ratings up to and including 16 A.
- The scope is extended to cover Class I appliance couplers.
- The scope is extended to cover appliance couplers for hot and very hot conditions.
- Added classification regarding the use of retaining devices.
- Added classification for indoor and outdoor use.

IEC 60320-2-1:2018 is applicable to special purpose appliance couplers for household sewing machines. These sewing machine couplers are for alternating current only and have a rated voltage not exceeding 250 V and a rated current not exceeding 2,5 A.
This third edition cancels and replaces the second edition published in 2000. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- Aligned with IEC 60320-1:2015.
This Part 2-1 is to be used in conjunction with IEC 60320-1: Appliance couplers for household and similar general purposes – Part 1: General requirements. It was established on the basis of the third edition of that standard (2015).

lEC 60320-1:2015 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.
This bilingual version (2016-11) corresponds to the monolingual English version, published in 2015-06. The French version of this standard has not been voted upon.
The contents of the corrigenda of January 2016 and May 2019 have been included in this copy.

This standard is applicable to two-pole appliance couplers for a.c. only, with or without earthing contact, with a rated voltage not exceeding 250 V and a rated current not exceeding 16 A, for household and similar general purposes and intended for incorporation or integration within electric appliances or other electric equipment of multi part construction for 50 Hz or 60 Hz supply which depend on the weight of the appliance to ensure correct engagement.

Applicable to two-pole appliance couplers for a.c. only, with and without earthing contact, with a rated voltage not exceeding 250 V and a rated current not exceeding 16 A.

Applies to two-pole non-reversible appliance couplers for cold conditions for a.c. only, with a degree of protection against ingress of water higher than IPX0, with a rated voltage not exceeding 250 V and rated current not exceeding 10 A for a 50 Hz or 60 Hz supply. They are intended for the connection of the supply cord to portable electrical appliances of class II for household, commercial and light industrial use. The clauses of this standard supplement or modify the corresponding clauses in IEC 60320-1.

IEC 60320-2-1:2000 is applicable to special purpose appliance couplers for household sewing machines. These sewing machine couplers are for a.c. only and have a rated voltage not exceeding 250 V and a rated current not exceeding 2,5 A. The sewing machine couplers may include two or more contacts depending on the control components or circuitry required to operate the sewing machine and may be with or without earthing contact. This second edition cancels and replaces the first edition published in 1984. This part 2 is to be used in conjunction with IEC 60320-1: Appliance couplers for household and similar general purposes – Part 1: General requirements. It was established on the basis of the first edition of that standard (1994) and its amendments 1 (1995) and 2 (1996).

Specifies requirements for cord sets for household and similar general purpose equipment.

Applicable to two-pole appliance couplers for a.c. only, with and without earthing contact, with a rated voltage not exceeding 250 V and a rated current not exceeding 16 A.

Specifies requirements for cord sets for household and similar general purpose equipment.

Applicable to two-pole interconnection couplers for a.c. only, with and without earthing contact, with a rated voltage not exceeding 250 V and a rated current not exceeding 10 A. Applicable also to interconnection cord sets incorporating plug connectors of such interconnection couplers.