BS 3456-2.21:1972
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for safety of household and similar electrical appliances. Particular requirements Electric immersion heaters
Hardcopy , PDF
English
15-05-1972
14-04-1997
Cooperating organizations
Foreword
Specification
1. Scope
2. Definitions
3. General requirement
4. General conditions for the tests
5. Rating
6. Classification
7. Marking
8. Protection against electric shock
9. Starting of motor-operated appliances
10. Input
11. Heating
12. Operation under overload conditions
13. Electrical insulation at operating temperature
14. Radio-interference suppression
15. Moisture resistance
16. Insulation resistance and electric strength
17. Overload protection
18. Endurance
19. Abnormal operation
20. Stability and mechanical hazards
21. Mechanical strength
22. Construction
23. Internal wiring
24. Components
25. Supply connection and external flexible cables and
cords
26. Terminals for external conductors
27. Provision for earthing
28. Screws and connections
29. Creepage distances, clearances and distances
through insulation
30. Resistance to heat, fire and tracking
31. Resistance to rusting
Appendices
A. Preferred dimensions for electric immersion heaters
B. Effect of non-metallic materials on water quality
Table
1. Dimensions of immersion heater heads
Figure
1. Preferred dimensions
Specifies requirements for electric immersion heaters for household use.
| Committee |
W/-
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN ISO 9097:1996 | Identical |
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