BS 5042:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for bayonet lampholders
Hardcopy , PDF
15-09-1996
English
27-02-1987
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 General requirements
4 Requirements for type testing
5 Ratings
6 Classification
7 Marking
8 Dimensions and gauges
9 Protection against electric shock
10 Terminals
11 Provision for earthing
12 Construction
13 Switched lampholders
14 Moisture resistance, insulation resistance and
electric strength
15 Screws, current-carrying parts and connections
16 Creepage distances and clearances
17 Resistance to heat in service
18 Mechanical strength
19 Heating of current-carrying parts
20 Resistance to heat, fire and tracking
21 Resistance to excessive residual stresses and to
rusting
Appendices
A Guide to the use of lampholders marked T1 or T2
B Specification for petroleum spirit
Tables
1 International designations
2 Torque for terminal screws
3 Torque for screwed parts
4 Creepage distances and clearances
5 T-rating, test temperature and test lamp data
6 Maximum permitted rating of lamp
Figures
1 Testing device for protection against shock
2 Types of bayonet lampholder
3 Dimensions for protective shield for B22d
lampholders
4 Dimensions for shade support devices
5 Nipple thread for lampholders. Basic profile and
design profiles for the nut and for the screw
6 Gauges for nipple thread
7 Typical apparatus for heating test
8 Loading device
9 Ball-pressure apparatus
10 Tracking test apparatus
Requirements and tests for B15 and B22 lampholders and contains marking, construction and testing requirements and a guide to improve the control of operating temperatures.
| Committee |
CPL/34
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| IEC 61184:2017 | Similar to |
| BS 5386-3:1980 | Specification for gas burning appliances Domestic cooking appliances burning gas |
| BS 5971-1:1980 | Safety and interchangeability of tungsten filament lamps for domestic and similar general lighting purposes Specification for safety and interchangeability |
| BS 5101-3:1975 | Specification for lamp caps and holders together with gauges for the control of interchangeability and safety Gauges |
| BS 5101-2:1975 | Specification for lamp caps and holders together with gauges for the control of interchangeability and safety Lamp holders |
| BS 5101-1:1975 | Specification for lamp caps and holders together with gauges for the control of interchangeability and safety Lamp caps |
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