System for determining contact between a cutting tool and an electrically conductive workpiece, the system comprises a cutting tool comprising a toolholder and n cutting inserts (12,13,14,15) mounted in the toolholder, wherein n is an integer ≥ 2, wherein each of the n cutting inserts (12,13,14,15) comprises an electrically conductive surface layer, wherein the cutting tool is configured to bring the n cutting inserts (12,13,14,15) in and out of contact with an electrically conductive workpiece, characterized in that each of the n cutting inserts (12,13,14,15) are electrically insulated from the toolholder; and in that the system further comprises an electrical circuit, wherein the electrical circuit comprises: - an electric power source arranged to generate an electrical voltage (U A), and - n first connection units (32,33,34,35), which each comprises a first end (36,37,38,39), a second end (40,41,42,43), and, between the first end (36,37,38,39) and the second end (40,41,42,43), a resistor (44,45,46,47) having an electrical resistance (R 44,R 46,R 46,R 47), wherein each of the n first connection units (32,33,34,35) are electrically connected to a respective cutting insert (12,13,14,15) at the first end (36,37,38,39) and to a first pole of the electric power source at the second end (40,41,42,43), wherein each of the n first connection units (32,33,34,35) are electrically connected to the first pole in parallel with all the other n-1 first connection units (32,33,34,35), and - a second connection unit operatively connected to a second pole of the electric power source at a first end and comprising a contact configured to be electrically connected to an electrically conductive workpiece at a second end; wherein the system further comprises a measuring unit and an analysis unit, wherein the measuring unit is configured to measure an electrical voltage (U R44,U R45,U R46,U R47) over each of the first connection units (32,33,34,35), wherein the measuring unit is operatively connected to the analysis unit, wherein the analysis unit is configured to determine a contact between the cutting tool and an electrically conductive workpiece based on the measured electrical voltages (U R44,U R45,U R46,U R47). - an electric power source arranged to generate an electrical voltage (U A), and - n first connection units (32,33,34,35), which each comprises a first end (36,37,38,39), a second end (40,41,42,43), and, between the first end (36,37,38,39) and the second end (40,41,42,43), a resistor (44,45,46,47) having an electrical resistance (R 44,R 46,R 46,R 47), wherein each of the n first connection units (32,33,34,35) are electrically connected to a respective cutting insert (12,13,14,15) at the first end (36,37,38,39) and to a first pole of the electric power source at the second end (40,41,42,43), wherein each of the n first connection units (32,33,34,35) are electrically connected to the first pole in parallel with all the other n-1 first connection units (32,33,34,35), and - a second connection unit operatively connected to a second pole of the electric power source at a first end and comprising a contact configured to be electrically connected to an electrically conductive workpiece at a second end; wherein