BS 1376 74th Edition, September 30, 1974
Specification for Colours of light signals
Includes all amendments and changes through Reaffirmation Notice , December 1, 2011
Additional Comments: INCLUDES AMENDMENT A1
Published By:British Standards Institution (BSI)
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.