In the United States, the Federal Motor Vehicle Safety Standards No. 108 (FMVSS-108) is the federal regulation that defines the use of exterior lighting products. It is over 168 pages long and includes a number of written interpretations that affect how the law is applied. If you have specific questions, please contact the Truck-Lite Technical support number at 1-888-562-5012.
In Canada, the lighting regulations are known as the Canadian Motor Vehicle Safety Standards No. 108 (CMVSS-108). Aside from a few differences, these regulations harmonize with the FMVSS-108. If you need further clarification, we are ready to assist!