The invention relates to a liner that is intended to be pulled over an amputation stump, is made of an electrically non-conducting material, has a form that is adapted or that adapts to the amputation stump, has an inner wall (7) that lies against the skin of the amputation stump, and is provided with at least one electrode (11), which is arranged between the skin of the amputation stump and the outside of the liner (1) in order to transmit electrical signals, a high level of wearing comfort is ensured along with reliable transmission of the electrical signals in that at least one conducting section (6) is integrated into the material of the liner (1) in the area of the electrodes (11), the at least one conducting section forming a uniform and consistently oriented inner wall together with the non-conducting material of the liner (1).