A system for identifying connectivity conditions in electrical networks, comprising: first event detection means which are coupled to a load connection point of the electrical network, which can detect a change in the magnitude of the electric current circulating at said load connection point; second event detection means which can be coupled to a line of the electric distribution network, which can detect a change in the magnitude of the electric current circulating in said distribution line; and connectivity checking means comparing the events detected by the first event detection means and the events detected by the second event detection means for determining to which line the event produced in the load connection point corresponds, wherein said second event detection means contain a chronological record of one or more first event detection means, as many as there are first event detection means of load connection connected downstream of said distribution line, said system being characterized in that: the first event detection means comprise at least one current sensor and at least one clock, and are configured and arranged for detecting at least two events defined as changes in the magnitude of a passive electric current circulating through said load connection point, and the time between said at least two detected events, the second event detection means comprise at least one current sensor and at least one clock, and are configured and arranged for detecting at least two events defined as changes in the magnitude of a passive electric current circulating through at least said distribution line and/or through at least one supply point connected to said at least one distribution line, for supplying electricity thereto, and the time between said at least two detected events, and the connectivity checking means have access to data relating to said times between events, provided by the first and second event detection means (1, 2), and are configured, arranged and adapted for processing said data by comparing the time between the events detected by the first detection means with the time between the events detected by the second detection means, to determine, based at least on the similarity between said compared times, to which distribution line or lines the load connection point is connected. first event detection means which are coupled to a load connection point of the electrical network, which can detect a change in the magnitude of the electric current circulating at said load connection point; second event detection means which can be coupled to a line of the electric distribution network, which can detect a change in the magnitude of the electric current circulating in said distribution line; and connectivity checking means comparing the events detected by the first event detection means and the events detected by the second event detection means for determining to which line the event produced in the load connection point corresponds, the first event detection means comprise at least one current sensor and at least one clock, and are configured and arranged for detecting at least two events defined as changes in the magnitude of a passive electric current circulating through said load connection point, and the time between said at least two detected events, the second event detection means comprise at least one current sensor and at least one clock, and are configured and arranged for detecting at least two events defined as changes in the magnitude of a passive electric current circulating through at least said distribution line and/or through at least one supply point connected to said at least one distribution line, for supplying electricity thereto, and the time between said at least two detected events, and the connectivity checking means have access to data relating to said times between events, provided by the first and second event detection means (1, 2), and are configured, arranged and adapted for processing said data by comparing the time between the events detected by the first detection means with the time between the events detected by the second detection means, to determine, based at least on the similarity between said compared times, to which distribution line or lines the load connection point is connected.