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a <br />Lamp Data Physical <br />Base -- Medium <br />Bulb Diameter -- 2 1/8 inches <br />Bulb Length -- 5 7/16 inches <br />Light Center Length -- 3 7/16 inches <br />Effective Age Length -- 8.5 mm <br />Bulb Finish -- Coated <br />Lamp Data Performance <br />Initial Lumens -- 5600 Lumens <br />Mean Lumens -- 4000 <br />Lumens Per Watt -- 79 LPW <br />Light Output -- 770 <br />Rated Life -- 10,000 Hours <br />Color Temperature -- 3200K <br />Chromaticity -- (X, Y) _ (.420; 395) <br />CRI -- 70 <br />Warm Up Time -- 1-2 minutes <br />Hot Restart Time -- 4-8 minutes <br />Burning Position -- Base up/Base down ± 150 <br />Pole <br />Height: <br />Buried - 5' (Diameter - 4") <br />Base - 5' (Diameter - 4") <br />Top - 7' (Diameter - 3") <br />Overall above ground -- 12' <br />Construction - CPVC <br />Finish -- Cast Iron Flat Black <br />IDOT Requirements -- ALL <br />IDOT Required Set Back -- 36" W/6" Curb <br />