BS 67:1987
Current
The latest, up-to-date edition.
Specification for ceiling roses
Hardcopy , PDF
English
27-02-1987
Foreword
Committees responsible
Specification
1 Scope
2 Conditions of use
3 Definitions
4 General requirements
5 General conditions for type testing
6 Ratings
7 Classification
8 Marking and information
9 Dimensions
10 Accessibility of live parts
11 Provision for earthing
12 Terminals
13 Construction
14 Resistance to moisture and humidity, insulation
resistance and electric strength
15 Temperature rise
16 Mechanical strength
17 Resistance to heat
18 Resistance to abnormal heat, fire and tracking
19 Screws, current-carrying parts and connections
20 Creepage distances and clearances
21 Resistance to excessive residual stresses and to
rusting
Appendix
A Measurement of creepage distances and clearances
Tables
1 Terminal screw torque values
2 Test currents for test on screwless terminals
3 Application of glow-wire test
4 Creepage distances and clearances
Figures
1 Pendulum impact test apparatus
2 Constructional details of striking element
3 Construction details of mounting support for test
specimens
4 Ball pressure test apparatus
5 Glow wire with thermocouple
6 Glow-wire test apparatus
7 Arrangement and dimensions of the electrodes for the
tracking test
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