BS 6991:1990
Current
The latest, up-to-date edition.
Specification for 6/10 A, two-pole weather-resistant couplers for household, commercial and light industrial equipment
Hardcopy , PDF
English
09-28-1990
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 General requirements
4 General conditions for type testing
5 Ratings
6 Classification
7 Marking
8 Instructions for use
9 Dimensions and compatibility
10 Creepage distances, clearances and distances through
insulation
11 Accessibility of live parts
12 Construction
13 Terminals and terminations
14 Screws, current-carrying parts and connections
15 Provision for flexible cords
16 Resistance to ageing
17 Resistance to moisture and humidity
18 Insulation resistance and electric strength
19 Electrical breaking capacity
20 Normal operation
21 Temperature rise
22 Mechanical strength
23 Resistance to heat
24 Resistance of insulating material to abnormal heat
and fire
25 Resistance to tracking
26 Resistance to excessive residual stresses and to
rusting
Appendix
A Test schedule
Tables
1 Minimum creepage distances and clearances
2 Test torque levels
3 Forces exerted by components
4 Test schedule
Figures
1 Connector
2 Equipment inlet
3 GO gauge for connector
4 Primary and supplementary GO gauges for equipment
inlets
5 Apparatus for testing inadvertent disconnection of
accessories
6 Withdrawal pull gauge
7 Apparatus for testing the cord anchorage
8 Apparatus for the flexing test
9 Apparatus for breaking capacity and normal operation
tests
10 Circuit diagram for breaking capacity and normal
operation tests
11 Tumbling barrel
12 Impact test apparatus (test hammer)
13 Ball pressure test apparatus
14 Apparatus for pressure test on connectors
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