Method for locating faults in electric power distribution cables, the method applied to a medium voltage circuit that comprises at least one electric power distribution cable, a first transformation center that comprises a first transformer and a first grounding conductor, a first grounding system comprising a first grounding resistor (RPAT1) connected to the first transformer through the first grounding conductor, the first transformation center connected to a first end of the cable; and a second transformation center comprising a second transformer and a second grounding conductor, a second grounding system comprising a second grounding resistor (RPAT2) connected to the second transformer through the second grounding conductor, the second transformation center connected to a second end of the cable, the method characterized in that it comprises: - identifying a fault in the cable by monitoring through current threshold in at least one of the grounding conductors, in case of fault identification: - measuring a first current value I med1 through the first grounding conductor; - obtaining the value of the first resistor (RPAT1); - measuring a second current value I med2 through the second grounding conductor; - obtaining the value of the second resistor (RPAT2); - calculating a relative distance d1 from a point on the cable where the fault occurs to the first transformation center, such that: d 1 = I med 2 ⋅ R PAT 2 − I med 1 ⋅ R PAT 1 I med 2 + I med 1 - calculating a distance d2 from the point on the cable where the fault occurs to the second transformation center; d 2 = I med 2 ⋅ 1 − R PAT 2 + I med 1 ⋅ 1 + R PAT 1 I med 2 + I med 1 - identifying the fault location based on distances d1 and d2. - identifying a fault in the cable by monitoring through current threshold in at least one of the grounding conductors, in case of fault identification: - measuring a first current value I med1 through the first grounding conductor; - obtaining the value of the first resistor (RPAT1); - measuring a second current value I med2 through the second grounding conductor; - obtaining the value of the second resistor (RPAT2); - calculating a relative distance d1 from a point on the cable where the fault occurs to the first transformation center, such that: d 1 = I med 2 ⋅ R PAT 2 − I med 1 ⋅ R PAT 1 I med 2 + I med 1 - calculating a distance d2 from the point on the cable where the fault occurs to the second transformation center; d 2 = I med 2 ⋅ 1 − R PAT 2 + I med 1 ⋅ 1 + R PAT 1 I med 2 + I med 1 - identifying the fault location based on distances d1 and d2. - measuring a first current value I med1 through the first grounding conductor; - obtaining the value of the first resistor (RPAT1); - measuring a second current value I med2 through the second grounding conductor; - obtaining the value of the second resistor (RPAT2); - calculating a relative distance d1 from a point on the cable where the fault occurs to the first transformation center, such that: d 1 = I med 2 ⋅ R PAT 2 − I med 1 ⋅ R PAT 1 I med 2 + I med 1 - calculating a distance d2 from the point on the cable where the fault occurs to the second transformation center; d 2 = I med 2 ⋅ 1 − R PAT 2 + I med 1 ⋅ 1 + R PAT 1 I med 2 + I med 1 - identifying the fault location based on distances d1 and d2.