A lighting system (1) comprising a guide (2) extending along at least one path (P); at least one lamp (3), fitted to the guide (2) and movable on the guide (2) and provided with at least one light source (13); a circuit board (20) for controlling and supplying the light source (13) of the lamp (3), comprising at least one conductive track (21) extending along the path (P); the track (21) is defined by a sequence of contact portions (22), made of electric conductive material, and insulation portions (23), alternating with each other along the path (P) ; the lamp (3) is provided with a contact element (24) comprising at least one series of contacts (25) spaced apart from one another along the path (P) and which project from the lamp (3) to contact the track (21).