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BSI
BS 1376:1974

BS 1376:1974

Current

Current

The latest, up-to-date edition.

Specification for colours of light signals

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-1974

Publisher

British Standards Institution

Cooperating organizations
Foreword
Section 1. General
1 Scope
2 References
3 Definitions
4 General introduction
Section 2. Colours emitted by light signals
5 General
6 Ranges of colours
7 Limits of chromaticity of light signals
8 Choice of restricted colour limits
9 Colour stability
10 Effects of the atmosphere
11 Effect of temperature of operation
Section 3. The production of coloured light
12 General
13 Self-coloured light sources
14 White light sources with colour filters
15 White light sources
16 Colour filters for general purposes
17 Colour filters for specific purposes
18 Choice of filter materials
19 Dimming of light sources
20 Transmittancy of colour filters
Section 4. Photometric and colorimetric measurement
21 General
22 Complete signal equipments
23 Colour filters
24 Transmittancy
Appendix A Stability
Appendix B Approximate inspection method for colour filters
Appendix C Notes on Figure 4-Figure 15
Appendix D Comparison with international standards
Publications referred to

Colour of light emitted by signalling equipment. Includes performance requirements for plastics filters and a new method of presentation of data for both glass and plastics filters.

This British Standard specifies the colours of light signals for all purposes. While it has been based on requirements for transport signalling it is equally applicable to signal colours for other purposes, e.g. indicating lights.

Guidance on means of achieving these colours and of maintaining the performance of signals is also provided.

Committee
W/-
DevelopmentNote
Supersedes BS 1376(1953) and 72/24493 DC. (06/2004) Reviewed and confirmed by BSI, December 2011. (11/2011)
DocumentType
Standard
Pages
44
PublisherName
British Standards Institution
Status
Current
Supersedes

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RSSB RIS-2747-RST : ISSUE 1 FUNCTIONING AND CONTROL OF EXTERIOR DOORS ON PASSENGER VEHICLES
BS 873-2:1984 Road traffic signs and internally illuminated bollards Specification for miscellaneous signs
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RSSB GM/RT2161 : ISSUE 1 AMD 1 2013 REQUIREMENTS FOR DRIVING CABS OF RAILWAY VEHICLES
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BS 3224-5:1988 Lighting fittings for civil land aerodromes Specification for inset lighting units
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BS 4618-4.2:1972 Recommendations for the presentation of plastics design data. Environmental and chemical effects Resistance to natural weathering
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