CLC/TS 50509:2007
Current
The latest, up-to-date edition.
Use of LED signal heads in road traffic signal systems
03-08-2007
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 General definitions
3.2 Optical definitions
3.3 Electrical definitions and abbreviations
4 Specification
4.1 Existing standards
4.2 Additional technical specifications
4.3 Other issues
5 Testing
5.1 General
5.2 Testing of the yellow optical unit
6 Marking, labelling and product information
Annex A (informative) - Additional requirements under
operating conditions - United Kingdom
Annex B (informative) - Dimmed operation - the Netherlands
Annex C (informative) - Dimmed operation - Spain
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