AS NZS 3120:2021 Approval and test specification一Cord extension sockets.
AS NZS 3120 sets out essential safety requirements for cord extension sockets and inlet plugs, as defined in Clause 1.3, intended for use at extra-low or low voltages, and in let plugs with rated voltages not exceeding 250 V and current ratings not exceeding 20 A in accordance with the pin configurations given in AS/NZS 3112.
This standard does not apply to cord extension sockets that are enclosed within an appliance in such a way that they are not exposed to personal contact, or that are intended for use solely where they will be so enclosed.
1.1.2 Application General requirements of AS/NZS 3100
This standard shall be read in conjunction with AS/NZS 3100. The appropriate provisions in AS/NZS 3100, as identified in Clause 1.2, shall apply to the construction of a cord extension socket and an inlet plug. Specific requirements of this standard
A cord extension socket and inlet plug shall be deemed to conform to this standard provided it conforms to all the requirements of this standard and passes the tests specified herein.
NOTE Plugs, socket-outlets and connectors incorporating retaining means of the type specified in AS/NZS 3123, or similar, need not conform to all general dimensional requirements of this standard, provided the safe functioning of accessories in a particular system is not impaired and, where applicable, dimensions relevant to specified pin configurations are applied.
1.2 Normative references
The following standards are referred to in the text in such a way that some or all of their content constitutes a requirement of this standard:
AS 60529, Degrees of protection provided by enclosures (IP Code)
AS/NZS 3100, Approval and test specification—General requirements for electrical equipment
AS/NZS 3112, Approval and test specification—Plugs and socket-outlets
AS/NZS 3121, Approval and test specification—Insulating mouldings
AS/NZS 3123, Approval and test specification—Plugs, socket-outlets and couplers for general in dus trio! application
AS/NZS 3133, Approval and test specification—Air-break switches
AS/NZS 60320.1, Appliance couplers for household and similar general purposes, Part 1: General requirements (IEC 60320-1, Ed 2.1 (2001) MOD)
AS/NZS 60335.1, Household and similar electrical appliances—Safety, Part 1: General requirements (IEC 60335-1 Ed. 5.0 (2010), MOD)
1.3 Terms and definitions
For the purpose of this standard, the definitions below apply.AS NZS 3120 pdf download.