Difference between DOT and ECE?
Based on different locations, there are various driving regulations. Most countries around the world have adopted one series of standards or the other. Therefore, for headlights, they must be street legal and meet the regulations adopted by the country accordingly.
ECE regulations are created by the United Nations Economic Commission for Europe. With the ECE lighting regulation certificated, the vehicle lights are federally compliant for visibility, durability and reliability in the European Union and in non-European countries that have adopted ECE regulations.
LHT VS RHT
In addition, LHT VS RHT? LHT means Left Hand Traffic and RHT means Right Hand Traffic, which referring to which side of road the drivers uses.
Blue –Countries driving on the right (LHT) Red -Countries driving on the left (RHT)
For example, drivers in the UK obey Left Hand Traffic and would use a couple of LHT headlights while a driver in Canada in Right Hand Traffic and would use a couple of RHT headlights.