PLUGS AND SOCKET-OUTLETS FOR HOUSEHOLD AND SIMILAR PURPOSES - PART 2-7: PARTICULAR REQUIREMENTS FOR CORD EXTENSION SETS
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 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
101 EMC requirements
Annex A (normative) - Safety-related routine tests for
factory-wired portable accessories (protection
against electric shock and correct polarity)
Pertains to cord extension sets, rewirable and non rewirable, with or without earthing contact, with a rated voltage greater than 50 V but not exceeding 440 V and a rated current not exceeding 16 A, intended for household and similar purposes, either indoors or outdoors.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 23 |
