Electrical connection system

An electrical appliance (100) has a first connection system (101), An electrical charger (200) has a second connection system (2). wherein the first connection system comprises: - a housing (15) with a rigid external wall (16), - an electrical cable (3) comprising an external insulating sheath (39). A peripheral sealing barrier extends from the external wall (16) at the front region of a housing to an outer surface (21, 40) of the external insulating sheath (39).