A monitoring probe (26, 29, 32, 100, 180, 190, 200, 202X, 202Y) comprising: a sensor circuit (101, 210, 210A) comprising an electrical sensor, the sensor circuit (101, 210, 210A) configured to monitor a level of current flow through an electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) when the electrical sensor is affixed adjacent to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270), wherein the electrical sensor comprises a sensing element configured to generate an electrical output signal indicative of the level of current flow through the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) when the electrical sensor is affixed adjacent to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) without being electrically coupled to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270), a wireless transmission circuit (187, 201B) coupled to the electrical sensor, the wireless transmission circuit (187, 201B) configured to receive the electrical output signal from the electrical sensor, and to wirelessly transmit data as a wireless output signal from the wireless transmission circuit (187, 201B), the data indicative of the level of current flow through the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270); a housing comprising a plurality of sensor retaining positions, each sensor retaining position configured to mechanically retain the sensor circuit (101, 210, 210A) and the wireless transmission circuit (187, 201B) within the housing at a predetermined distance from the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) when the monitoring probe (26, 29, 32, 100, 180, 190, 200, 202X, 202Y) has received the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270), wherein each of the predetermined distances is different from each other, and wherein the sensor circuit (101, 210, 210A) is installed into one of the plurality of sensor retaining positions to set a sensitivity level of the sensor circuit (101, 210, 210A); and a clip assembly (120, 122A, 122B, 122C, 182, 192, 200, 201) mechanically coupled to the housing, the clip assembly (120, 122A, 122B, 122C, 182, 192, 200, 201) having a plurality of clip members (124A, 124B, 184, 185, 194, 195, 202, 204) defining a retention area (130, 150, 183, 193, 205), wherein the plurality of clip members (124A, 124B, 184, 185, 194, 195, 202, 204) are configured to receive the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) within the retention area (130, 150, 183, 193, 205) and exert a force on the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) therein to affix the electrical sensor at a location adjacent to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270). a sensor circuit (101, 210, 210A) comprising an electrical sensor, the sensor circuit (101, 210, 210A) configured to monitor a level of current flow through an electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) when the electrical sensor is affixed adjacent to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270), wherein the electrical sensor comprises a sensing element configured to generate an electrical output signal indicative of the level of current flow through the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) when the electrical sensor is affixed adjacent to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) without being electrically coupled to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270), a wireless transmission circuit (187, 201B) coupled to the electrical sensor, the wireless transmission circuit (187, 201B) configured to receive the electrical output signal from the electrical sensor, and to wirelessly transmit data as a wireless output signal from the wireless transmission circuit (187, 201B), the data indicative of the level of current flow through the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270); a housing comprising a plurality of sensor retaining positions, each sensor retaining position configured to mechanically retain the sensor circuit (101, 210, 210A) and the wireless transmission circuit (187, 201B) within the housing at a predetermined distance from the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) when the monitoring probe (26, 29, 32, 100, 180, 190, 200, 202X, 202Y) has received the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270), wherein each of the predetermined distances is different from each other, and wherein the sensor circuit (101, 210, 210A) is installed into one of the plurality of sensor retaining positions to set a sensitivity level of the sensor circuit (101, 210, 210A); and a clip assembly (120, 122A, 122B, 122C, 182, 192, 200, 201) mechanically coupled to the housing, the clip assembly (120, 122A, 122B, 122C, 182, 192, 200, 201) having a plurality of clip members (124A, 124B, 184, 185, 194, 195, 202, 204) defining a retention area (130, 150, 183, 193, 205), wherein the plurality of clip members (124A, 124B, 184, 185, 194, 195, 202, 204) are configured to receive the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) within the retention area (130, 150, 183, 193, 205) and exert a force on the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270) therein to affix the electrical sensor at a location adjacent to the electrical conductor (14, 15, 16, 17, 18, 19, 21, 270).