Specifications include, but are not limited to: a. Shall meet the requirements of Institute of Transportation Engineers, Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Circular Signal Supplement: Dated June 27, 2005 b. Lens color shall be tinted the following: i. Red for RED LED ii. Yellow for YELLOW LED iii. Clear for GREEN LED c. Operating Voltage: 80V AC - 135V AC (120V AC nominal) d. Operating Temp Range: -40°C to +74°C e. LED Arrows modules shall be fully compliant to the “Omni-directional” specifications of the ITE VTCSH - LED Vehicle Arrow Traffic Signal Supplement adopted July 1, 2007. f. The manufacturer must have the modules certified and listed by Intertek Testing Laboratories LED certification program as meeting the requirements of the ITE specification stated above. g. Shall be designed and manufactured to provide full performance including required minimum luminous intensity for a standard service life of at least 15 years. h. Power supply module circuit boards shall be protected with a conformal coating. i. Connectors & Wiring: i. The LED signal module power leads shall have spade lug connectors with fork adapters for terminating the module to the signal head termination block. The screw size for the termination block is #8-32. ii. LED power lead wiring shall be 36 inch minimum in length, 18 AWG, Color Coded, with Strain Relief. 2. Basis of Specification a. Dialight, 12-inch, ITE Compliant, Long Life LED Traffic Signal Modules, series XL15 (“balls”) and XOD15 (arrows)
