A safety cutting device comprising: - an electrically conductive cutting member, - a motor for actuating the cutting member, which is electrically controlled, - a handle for gripping the cutting device by the hand of a user, the gripping handle being electrically isolated from the cutting member, - a cutting trigger member operable by the hand of the user gripping the gripping handle, the cutting trigger member being electrically isolated from the cutting member, - an emergency stop device that is sensitive to a user making contact with the cutting member, - at least a first manual contact electrode, characterised by: at least a second manual contact electrode (32, 34), the first manual contact electrode and the second manual contact electrode being electrically isolated from each other, and arranged over at least one of the gripping handle of the tool and the cutting trigger member, so as to be simultaneously touched by the hand of the user when gripping the gripping handle, - an electrical monitoring circuit comprising the first manual contact electrode and the cutting member, the electrical monitoring circuit being capable of being closed, during simultaneous contact of the user with said first manual contact electrode and with the cutting member, - an electric generator of a monitoring current in the first electric circuit, - a device for measuring a monitoring voltage (V E2) between the cutting element and the second manual contact electrode, - a comparator for comparing at least one electrical monitoring characteristic depending on the monitoring voltage with an electrical threshold characteristic depending on an impedance value increasing a conduction impedance value of the human body, the comparator being connected to the emergency stop device of the actuating motor of the cutting member, to cause an emergency stop when the electrical monitoring characteristic crosses the electrical threshold characteristic. - an electrically conductive cutting member, - a motor for actuating the cutting member, which is electrically controlled, - a handle for gripping the cutting device by the hand of a user, the gripping handle being electrically isolated from the cutting member, - a cutting trigger member operable by the hand of the user gripping the gripping handle, the cutting trigger member being electrically isolated from the cutting member, - an emergency stop device that is sensitive to a user making contact with the cutting member, - at least a first manual contact electrode, - an electrical monitoring circuit comprising the first manual contact electrode and the cutting member, the electrical monitoring circuit being capable of being closed, during simultaneous contact of the user with said first manual contact electrode and with the cutting member, - an electric generator of a monitoring current in the first electric circuit, - a device for measuring a monitoring voltage (V E2) between the cutting element and the second manual contact electrode, - a comparator for comparing at least one electrical monitoring characteristic depending on the monitoring voltage with an electrical threshold characteristic depending on an impedance value increasing a conduction impedance value of the human body, the comparator being connected to the emergency stop device of the actuating motor of the cutting member, to cause an emergency stop when the electrical monitoring characteristic crosses the electrical threshold characteristic.