A cable-clamping device, in particular for household appliances, including a base having a through seat for accommodating at least one electrical cable; and a clamping element progressively insertable in the seat in a first direction transversal to the seat and defined in use by an axis laying on a longitudinal symmetry plane of the clamping element, for clamping in use the cables against a bottom wall of the seat; the clamping element being delimited between a first and a second ends of the clamping element by a first and a second lateral flanks of the clamping element essentially parallel to the symmetry plane and by an upper face essentially parallel to the lateral flanks, the first and the second ends being provided with a coupling device to the base comprising a snapping retaining device made at the second end and an insertion seat for at least one removable tightening element.