A visor assembly of a helmet having a helmet shell is provided. The visor assembly includes a visor pivotally connectable to the helmet shell via left and right visor mounting sections. The visor has an inner surface facing a cavity of the helmet shell and an outer surface, and is provided with a heating system. The visor assembly further has a connection assembly including an electrical connector located on the outer surface of the visor proximate a front portion thereof. The electrical connector is operatively connected to the heating system and is adapted to be connected to a power cable for providing electrical power to the heating system. The visor assembly also includes a cable retaining element located on the outer surface of the visor proximate one of the visor mounting sections. The cable retaining element has a clip adapted to removably attach the power cable on the visor.