AS/NZS 3120:2011


Approval and test specification — Cord extension sockets

Specifies essential safety requirements for cord extension sockets intended to be used at extra-low voltages. This Standard is to be read in conjunction with AS/NZS 3100.
Published: 29/08/2011
Pages: 21
Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Application
1.2.1 General requirements of AS/NZS 3100
1.2.2 Specific requirements of this Standard
1.3 Referenced documents
1.4 Definitions
2 Cord extension sockets
2.1 General
2.2 Exemptions for extra-low voltage sockets
2.3 Limitation of outlets
2.4 Terminals and internal connections
2.4.1 Material
2.4.2 Construction of terminals
2.5 Contacts
2.5.1 Material
2.5.2 Construction
2.5.3 Depth of contacts
2.6 Dimensions
2.6.1 Pin entry apertures for flat-pin plugs
2.6.2 Socket face projection Socket face of sockets rated at 10 A and 15 A Configurations covered∗
2.6.3 Socket face of sockets rated at 15 A†
2.7 Arrangement of earthing connections
2.8 Insulating materials
2.9 Attachment of covers
2.10 External shape
2.10.1 General 10 A and 15 A sockets with 360° projection 15 A and 20 A sockets without a 360° projection
2.10.2 Pendant type sockets
2.10.3 Other than pendant type sockets
2.10.4 Finger grip
2.11 Exposed metal
2.12 Means of entry and cord anchorage for flexible cord
2.13 Ratings
2.13.1 Voltage rating
2.13.2 Current rating
2.14 Internal connections
2.15 Prevention of contact with live pins
2.15.1 Assembly
2.15.2 During normal insertion
2.15.3 During other than normal insertion
2.16 Fuses
2.17 Switches
2.18 Marking
2.18.1 Required marking
2.18.2 Location of marking
2.18.3 Additional requirements for rewirable sockets
2.18.4 Earthing connections
2.18.5 Live connections General Location of marking
2.18.6 Configuration of sockets intended for flat-pin plugs
2.19 Tests
2.19.1 General
2.19.2 Withdrawal force test
2.19.3 Tumbling barrel test
2.19.4 Insulation resistance test No. 1
2.19.5 High voltage test
2.19.6 Current breaking test
2.19.7 Test of temperature rise
2.19.8 Insulation resistance test No. 2
2.19.9 Flexible cord anchorage test
2.19.10 Test of earthing connection
2.19.11 Test for attachment of covers
2.19.12 Test for the fixing of contacts in resilient or thermoplastic sockets
2.19.13 Additional tests for non-rewirable sockets
3 Inlet plug
3.1 General
3.2 Standard ratings
3.3 Marking
3.4 Dimensions and compatibility
3.5 Construction
3.5.1 Inlet plugs
3.5.2 Terminals
3.5.3 Mechanical strength
3.6 Parts providing protection
3.7 Resistance to heat
3.8 Screws, current-carrying parts and connections
3.9 Tests on inlet plugs
3.9.1 General
3.9.2 Insulation resistance test
3.9.3 High voltage test
3.9.4 Cover operating test
3.9.5 Determination of ignitability and combustion propagation
Amendment control sheet
Cited references in this standard
Approval and test specification — Air-break switches
Approval and test specification — Insulating mouldings
Approval and test specification — Plugs, socket-outlets and couplers for general industrial application
Degrees of protection provided by enclosures (IP Code)
Appliance couplers for household and similar general purposes, Part 1: General requirements (IEC 60320-1:2015 (ED. 3.1) MOD)
Content history
DR AS/NZS 3120
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