How many watts are the street lights?
This comes from the needs of the road. Generally 8 meters below the design of the use of 250W or so street lights, more than 8 meters designed to use 400W high-pressure sodium lamp.
Power ranging from fifty to several thousand, as well as mercury vapor lamps, sodium lamps, LED lights and the like
Small common 60 watt city street mercury lamp, sodium lamp 110 and 220.
In addition to the road grade: a main road is generally the case of HPS above 400W (main road) road using 150W high pressure sodium lamp.
