There is a cable theft monitoring system and method configured to protect electrical cables from theft during non-operation hours. The system includes a power circuit configured to provide power. The system also includes a motor coil configured to receive and utilize power. The system further includes a power supply line configured to facilitate power conduction through the motor coil. The system includes a sensor module configured to monitor a characteristic of the power supply line. The sensor module is configured to send an electrical current through the power supply line to the motor coil to detect electrical connection thereto. The system additionally includes an onsite control module configured to provide onsite controls to the cable theft monitoring system. The system also includes an isolation module configured to isolate the sensor module from strong power sources. Furthermore, the system includes a communication module configured to transmit information.