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.