To drive a **light quadricycle**, it is necessary to have the appropriate driving license. According to the information provided, the **class B license** allows driving various types of vehicles, including mopeds and vehicles for people with reduced mobility. Although the light quadricycle is not explicitly mentioned in the description of the B license, it can be deduced that it is included in the category of mopeds, as the light quadricycle is similar in characteristics and use.

Therefore, with a **class B license**, it is indeed possible to drive a light quadricycle. This is because the B license covers a wide range of light and low-power vehicles, which includes light quadricycles.