A current monitoring device comprising: a current transformer configured to be removeably coupled to a power line within a load center and to generate a reference signal having a level related to a current level of the power line within the load center; a sensor circuit connected to the current transformer and configured to convert the reference signal to a measurement signal; a flexible cable having a first end and a second end, the first end coupled to the sensor circuit ; a first housing containing the sensor circuit and the current transformer, wherein the first housing includes a first portion containing the current transformer and a second portion containing the sensor circuit, and wherein the first portion is rotatably coupled to the second portion; characterized in that the current monitoring device further comprises: a connection portion including a second housing coupled to the second end of the flexible cable and an insulation displacement connector configured to be removeably coupled to a communications bus within the load center; wherein the sensor circuit is further configured to provide the measurement signal to the communication bus via the flexible cable and the connection portion , and wherein the second housing further includes a lid capable of being opened and closed and configured to clamp the communication bus in place within the connection portion when closed in a locked position. a current transformer configured to be removeably coupled to a power line within a load center and to generate a reference signal having a level related to a current level of the power line within the load center; a sensor circuit connected to the current transformer and configured to convert the reference signal to a measurement signal; a flexible cable having a first end and a second end, the first end coupled to the sensor circuit ; a first housing containing the sensor circuit and the current transformer, wherein the first housing includes a first portion containing the current transformer and a second portion containing the sensor circuit, and wherein the first portion is rotatably coupled to the second portion; characterized in that the current monitoring device further comprises: a connection portion including a second housing coupled to the second end of the flexible cable and an insulation displacement connector configured to be removeably coupled to a communications bus within the load center; wherein the sensor circuit is further configured to provide the measurement signal to the communication bus via the flexible cable and the connection portion , and wherein the second housing further includes a lid capable of being opened and closed and configured to clamp the communication bus in place within the connection portion when closed in a locked position. a connection portion including a second housing coupled to the second end of the flexible cable and an insulation displacement connector configured to be removeably coupled to a communications bus within the load center; wherein the sensor circuit is further configured to provide the measurement signal to the communication bus via the flexible cable and the connection portion , and wherein the second housing further includes a lid capable of being opened and closed and configured to clamp the communication bus in place within the connection portion when closed in a locked position. <EOS>