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IEC 60884-2-7 Ed. 2.0 en:2025 EXV Plugs and socket-outlets for household and similar purposes - Part 2-7: Particular requirements for cord extension sets, 2025
- Extended version [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General requirements
- 5 General remarks on tests
- 6 Ratings
- 7 Classification
- 8 Marking
- 9 Checking of dimensions
- 10 Protection against electric shock
- 11 Provision for earthing
- 12 Terminals and terminations
- 13 Construction of fixed socket-outlets
- 14 Construction of plugs and portable socket-outlets
- 15 Interlocked socket-outlets
- 16 Resistance to ageing, protection provided by enclosures, and resistance to humidity
- 17 Insulation resistance and electric strength
- 18 Operation of earthing contacts
- 19 Temperature rise
- 20 Breaking capacity
- 21 Normal operation
- 22 Force necessary to withdraw the plug
- 23 Flexible cables and their connection
- 24 Mechanical strength
- 25 Resistance to heat
- 26 Screws, current-carrying parts and connections
- 27 Creepage distances, clearances and distances through sealing compound
- 28 Resistance of insulating material to abnormal heat, to fire and to tracking
- 29 Resistance to rusting
- 30 Additional tests on pins provided with insulating sleeves
- 31 EMC requirements
- 32 Electromagnetic fields (EMF) requirements
- Annexes [Go to Page]
- Annex A (normative) Safety-related routine tests for factory-wired portable accessories (protection against electric shock and correct polarity)
- Annex B (informative) Alternative gripping tests
- Annex C (normative) Switches incorporated in portable socket-outlets
- Annex D (normative) Requirements for plugs and fixed or portable socket-outlets intended to be used with AWG cables
- Annex E (informative) Tests to be applied during the production of crimped connections in accessories
- Annex F (normative) Additional requirements for accessories provided with insulation-piercing terminals
- Annex G (informative) Additional tests and requirements for accessories intended to be used in ambient temperatures below −5 °C down to and including −45 °C
- Annex H (informative) Additional tests and requirements for accessories intended to be used in ambient temperatures above +40 °C up to and including +70 °C
- Annex I (normative) Additional requirements and tests for plugs and socket-outlets for high-load (HL) application
- Bibliography
- Figures [Go to Page]
- Figure 1 – Examples of accessories
- Figure 101 – Examples of cord extension sets
- Figure 2 – Example of thread-forming screw
- Figure 3 – Example of thread-cutting screw
- Figure 4 – Examples of membranes and grommets
- Figure 5 – Test piston dimensions
- Figure 17 – Device for testing pins which are not solid
- Figure H.1 – Schematic drawing of a de-rating curve with an example of a de-rated current Id at the operating ambient temperature td
- Tables [Go to Page]
- Table 2 – Preferred combinations of types and ratings
- Table 101 – Type and length of the flexible cable and nominalcross-sectional area of the conductors of cord extension sets
- Table A.1 – Deleted
- Table G.1 – Energy for impact tests
- International Standard [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General requirements
- 5 General remarks on tests
- 6 Ratings
- 7 Classification
- 8 Marking
- 9 Checking of dimensions
- 10 Protection against electric shock
- 11 Provision for earthing
- 12 Terminals and terminations
- 13 Construction of fixed socket-outlets
- 14 Construction of plugs and portable socket-outlets
- 15 Interlocked socket-outlets
- 16 Resistance to ageing, protection provided by the enclosures, and resistance to humidity
- 17 Insulation resistance and electric strength
- 18 Operation of earthing contacts
- 19 Temperature rise
- 20 Breaking capacity
- 21 Normal operation
- 22 Force necessary to withdraw the plug
- 23 Flexible cables and their connection
- 24 Mechanical strength
- 25 Resistance to heat
- 26 Screws, current-carrying parts and connections
- 27 Creepage distances, clearances and distances through sealing compound
- 28 Resistance of insulating material to abnormal heat, to fire and to tracking
- 29 Resistance to rusting
- 30 Additional tests on pins provided with insulating sleeves
- 31 EMC requirements
- 32 Electromagnetic fields (EMF) requirements
- Annexes [Go to Page]
- Annex A (normative) Safety-related routine tests for factory-wired portable accessories (protection against electric shock and correct polarity)
- Annex B (informative) Alternative gripping tests
- Annex C (normative) Switches incorporated in portable socket-outlets
- Annex D (normative) Requirements for plugs and fixed or portable socket-outlets intended to be used with AWG cables
- Annex E (informative) Tests to be applied during the production of crimped connections in accessories
- Annex F (normative) Additional requirements for accessories provided with insulation-piercing terminals
- Annex G (informative) Additional tests and requirements for accessories intended to be used in ambient temperatures below −5 °C down to and including −45 °C
- Annex I (normative) Additional requirements and tests for plugs and socket-outlets for high-load (HL) application
- Bibliography
- Figure 101 – Examples of cord extension sets
- Table 101 – Type and length of the flexible cable and nominal cross-sectional area of the conductors of cord extension sets [Go to Page]
