AS/NZS 3120:2021
Approval and test specification – Cord extension sockets
Standard 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.
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AS/NZS 3120:2021 Approval and test specification - Cord extension sockets
Preface
Section 1 Scope and general
1.1 Scope and application
1.1.1 Scope
1.1.2 Application
1.2 Normative references
1.3 Terms and definitions
Section 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
2.7 Arrangement of earthing connections
2.8 Insulating materials
2.9 Attachment of covers
2.10 External shape
2.10.1 General
2.10.2 Pendent type sockets
2.10.3 Other than pendent 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 Sockets with a clamping mechanism
2.19 Marking
2.19.1 Required marking
2.19.2 Location of marking
2.19.3 Additional requirements for rewireable sockets
2.19.4 Earthing connections
2.19.5 Live connections
2.19.6 Configuration of sockets intended for flat-pin plugs
2.20 Tests
2.20.1 General
2.20.2 Withdrawal force test
2.20.3 Additional test for sockets with clamping or locking mechanism
2.20.4 Tumbling barrel test
2.20.5 Insulation resistance test No. 1
2.20.6 High voltage test
2.20.7 Current breaking test
2.20.8 Test of temperature rise
2.20.9 Insulation resistance test No. 2
2.20.10 Flexible cord anchorage test
2.20.11 Test of earthing connection
2.20.12 Test for attachment of covers
2.20.13 Test for the fixing of contacts in resilient or thermoplastic sockets
2.20.14 Additional tests for non-rewireable sockets
Section 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
Amendments
Previous versions
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References
Approval and test specification - General requirements for electrical equipment
Approval and test specification - Insulating mouldings
Approval and test specification - Air-break switches
Household and similar electrical appliances - Safety - Part 1: General requirements
Related Information
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AS/NZS 3105:2014
Approval and test specification - Electrical portable outlet devices -
AS/NZS 3105:2014 A1
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AS/NZS 3112:2017
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Approval and test specification - Plugs and socket-outlets
AS/NZS 3120:2021 Approval and test specification - Cord extension sockets
Preface
Section 1 Scope and general
1.1 Scope and application
1.1.1 Scope
1.1.2 Application
1.2 Normative references
1.3 Terms and definitions
Section 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
2.7 Arrangement of earthing connections
2.8 Insulating materials
2.9 Attachment of covers
2.10 External shape
2.10.1 General
2.10.2 Pendent type sockets
2.10.3 Other than pendent 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 Sockets with a clamping mechanism
2.19 Marking
2.19.1 Required marking
2.19.2 Location of marking
2.19.3 Additional requirements for rewireable sockets
2.19.4 Earthing connections
2.19.5 Live connections
2.19.6 Configuration of sockets intended for flat-pin plugs
2.20 Tests
2.20.1 General
2.20.2 Withdrawal force test
2.20.3 Additional test for sockets with clamping or locking mechanism
2.20.4 Tumbling barrel test
2.20.5 Insulation resistance test No. 1
2.20.6 High voltage test
2.20.7 Current breaking test
2.20.8 Test of temperature rise
2.20.9 Insulation resistance test No. 2
2.20.10 Flexible cord anchorage test
2.20.11 Test of earthing connection
2.20.12 Test for attachment of covers
2.20.13 Test for the fixing of contacts in resilient or thermoplastic sockets
2.20.14 Additional tests for non-rewireable sockets
Section 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
Amendments
Previous versions
AS/NZS 3120:2021
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.