§431.222. Definitions concerning traffic signal modules and pedestrian modules.
10 C.F.R. § 431.222
Maximum wattage means the power consumed by the module after being operated for 60 minutes while mounted in a temperature testing chamber so that the lensed portion of the module is outside the chamber, all portions of the module behind the lens are within the chamber at a temperature of 74 °C and the air temperature in front of the lens is maintained at a minimum of 49 °C.
Nominal wattage means the power consumed by the module when it is operated within a chamber at a temperature of 25 °C after the signal has been operated for 60 minutes.
Pedestrian module means a light signal used to convey movement information to pedestrians.
Traffic signal module means a standard 8-inch (200 mm) or 12-inch (300 mm) traffic signal indication that—
Notes, amendments, and revision history
Amendments
[70 FR 60417, Oct. 18, 2005, as amended at 71 FR 71373, Dec. 8, 2006; 76 FR 12504, Mar. 7, 2011]
Source
Source: 70 FR 60417, Oct. 18, 2005, unless otherwise noted.
Authority
Authority: 42 U.S.C. 6291-6317; 28 U.S.C. 2461 note.
Source
Source: 64 FR 54141, Oct. 5, 1999, unless otherwise noted.
Amendments
[70 FR 60417, Oct. 18, 2005, as amended at 71 FR 71373, Dec. 8, 2006; 76 FR 12504, Mar. 7, 2011]