IEC 62986:2017

IEC 62986 ®
Edition 1.0 2017-09
INTERNATIONAL
STANDARD
Plugs, socket-outlets and couplers with arcuate contacts
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IEC 62986 ®
Edition 1.0 2017-09
INTERNATIONAL
STANDARD
Plugs, socket-outlets and couplers with arcuate contacts

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.120.20 ISBN 978-2-8322-4870-6

– 2 – IEC 62986:2017 © IEC 2017
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 10
4 General . 16
4.1 General requirements . 16
4.2 General notes on tests . 16
5 Standard ratings . 17
6 Classification . 18
6.1 According to purpose . 18
6.2 According to the method of connecting the cable . 18
7 Marking . 18
8 Dimensions. 20
9 Protection against electric shock . 21
10 Provisions for earthing . 21
11 Terminals and terminations . 22
11.1 Common requirements for terminals and terminations . 22
11.2 Screw type terminals . 24
11.3 Mechanical tests on terminals . 26
12 Resistance to ageing of rubber and thermoplastic material . 28
13 General construction . 29
14 Construction of socket-outlets . 29
15 Construction of plugs and connectors . 30
16 Construction of appliance inlets . 31
17 Degrees of protection . 31
18 Insulation resistance and dielectric strength . 32
19 Breaking capacity . 33
20 Normal operation . 36
21 Temperature rise . 37
22 Flexible cables and their connection . 38
22.1 Cable anchorages . 38
22.2 Requirements for plugs and connectors . 38
22.2.1 Non-rewirable plugs and connectors . 38
22.2.2 Rewirable plugs and connectors . 38
22.3 Pull test . 39
23 Mechanical strength . 41
23.1 General . 41
23.2 Impact test apparatus . 42
23.3 Normal use . 42
23.4 Test description . 43
23.5 Socket-outlets and appliance inlets . 44
23.6 Rewirable plugs and connectors . 44
23.7 Non-rewirable plugs and connectors . 45

23.8 Accessories with screwed glands . 46
23.9 Plugs . 46
23.9.1 General . 46
23.9.2 Perpendicular stress test . 47
23.9.3 Axial stress test . 47
23.9.4 Tensile strength test . 48
23.9.5 Blade retention (compression) test . 48
24 Screws, current-carrying parts and connections . 48
25 Creepage distances, clearances and distances through sealing compound . 50
26 Resistance to heat . 51
27 Resistance to fire and to tracking. 52
28 Corrosion and resistance to rusting . 54
29 Conditional short-circuit current withstand test . 55
29.1 Short-circuit current . 55
29.2 Ratings and test conditions . 55
29.3 Test circuit . 55
29.4 Calibration . 58
29.5 Test procedure . 58
29.6 Behaviour of the equipment under test . 58
29.7 Acceptance conditions . 59
30 Electromagnetic compatibility . 59
30.1 Immunity . 59
30.2 Emission . 59
STANDARD SHEETS . 60
STANDARD SHEET L5-20 125 V, 20 A, two-pole three-wire . 62
STANDARD SHEET L5-30 125 V, 30 A, two-pole three-wire . 63
STANDARD SHEET L25-30 240 V, 30 A, two-pole three-wire . 64
STANDARD SHEET L6-20 250 V, 20 A, two-pole three-wire . 65
STANDARD SHEET L6-30 250 V, 30 A, two-pole three-wire . 66
STANDARD SHEET L7-20 277 V, 20 A, two-pole three-wire . 67
STANDARD SHEET L7-30 277 V, 30 A, two-pole three-wire . 68
STANDARD SHEET L24-20 347 V, 20 A, two-pole three-wire . 69
STANDARD SHEET L8-20 480 V, 20 A, two-pole three-wire . 70
STANDARD SHEET L8-30 480 V, 30 A, two-pole three-wire . 71
STANDARD SHEET L9-20 600 V, 20 A, two-pole three-wire . 72
STANDARD SHEET L9-30 600 V, 30 A, two-pole three-wire . 73
STANDARD SHEET L14-20 125/250 V, 20 A, three-pole four-wire . 74
STANDARD SHEET L14-30 125/250 V, 30 A, three-pole four-wire . 75
STANDARD SHEET L15-20 250 V, 20 A, three-pole four-wire . 76
STANDARD SHEET L15-30 250 V, 30 A, three-pole four-wire . 77
STANDARD SHEET L16-20 480 V, 20 A, three-pole four-wire . 78
STANDARD SHEET L16-30 480 V, 30 A, three-pole four-wire . 79
STANDARD SHEET L17-30 600 V, 30 A, three-pole four-wire . 80
STANDARD SHEET L21-20 120/208 V, 20 A, four-pole five-wire . 81
STANDARD SHEET L21-30 120/208 V, 30 A, four-pole five-wire . 82

– 4 – IEC 62986:2017 © IEC 2017
STANDARD SHEET L26-30 240/415 V, 30 A, four-pole five-wire . 83
STANDARD SHEET L22-20 277/480 V, 20 A, four-pole five-wire . 84
STANDARD SHEET L22-30 277/480 V, 30 A, four-pole five-wire . 85
STANDARD SHEET L23-20 347/600 V, 20 A, four-pole five-wire . 86
STANDARD SHEET L23-30 347/600 V, 30 A, four-pole five-wire . 87
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