Historical
NEMA TS 2-2003 (R2008)
Traffic Controller Assemblies with NTCIP Requirements Version 02.06
Standardizes three major things for a traffic controller. First, environmental testing conditions (i.e., temperature, shock, etc.). Secondly, traffic control features and methodology (i.e,. phases, rings, safety, etc.). Finally, cabinet interface (i.e., A, B, C connectors and BIU SDLC interface).
NEMA: National Electrical Manufacturers Association [nema]
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