BS 5518:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for electronic variable control switches (dimmer switches) for tungsten filament lighting
Hardcopy , PDF
05-31-2012
English
12-30-1977
Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Conditions of service
5 General requirement
6 General requirements for tests
7 Ratings
8 Marking and instruction sheets
9 Protection against electric shock
10 Provision for earthing
11 Dimensions
12 Construction
13 Terminals
14 Manually actuated switch
15 Electronic assembly
16 Connections
17 Clearance and creepage distances
18 Moisture resistance
19 Insulation resistance
20 High voltage test
21 Temperature-rise under normal operation
22 Electrical endurance
23 Load fault test
24 Mechanical strength
25 Resistance to heat
26 Abnormal operation of electronic assembly
27 Breaking capacity test for integral switches
28 Resistance to abnormal heat and fire
Appendices
A Conditioning of specimen for resistance to abnormal
heat and fire test
B Text deleted
Tables
1 Type test sample
2 Table deleted
Figures
1 Impact test apparatus
2 Ball pressure apparatus
3 Radiant heat apparatus
4 Conical cover
5 Figure deleted
6 Figure deleted
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