1. A method of identifying individual branch circuits coupled to a power distribution point, the method comprising: sensing, by a plurality of magnetic field sensors of a sensor module, a magnetic field emitted by each of a plurality of branch circuits coupled to the power distribution point, wherein the sensor module is positioned in proximity to the power distribution point; determining, by a processor coupled to the sensor module, a response of each magnetic field sensor to each of a plurality of changes in power associated with at least one of the plurality of branch circuits; positioning, by the processor, the responses of the magnetic field sensors to each change in power on a point in a multidimensional space, wherein each dimension of the multidimensional space corresponds to a magnetic field sensor; and identifying, by the processor, clusters of the points in the multidimensional space, each cluster representing a different branch circuit and having a different vector direction.