https://www.jiangyuancables.com/overhead-insulated-cables-with-rated-voltage-1kv-and-below/ Introduction: Overhead power lines play a crucial role in the distribution of electricity from power plants to homes, businesses, and industries. Ensuring the reliability and safety of these power lines is of utmost importance to prevent power outages, fires, and other potential hazards. One of the key technologies that aid in the inspection and maintenance of overhead power lines is thermal imaging. This article explores the advancements in overhead power line thermal imaging technology, its applications, benefits, and future prospects. Historical Background: Thermal imaging has been used for decades in various industries for detecting heat patterns and anomalies. In the context of overhead power lines, thermal imaging became prominent in the late 20th century as a non-intrusive method to detect hotspots and potential faults in the electrical infrastructure. Initially, thermal imaging cameras were bulky, expensive, and had limited resolution capabilities. However, with technological advancements, thermal imaging devices have become more compact, affordable, and offer higher resolution imagery, making them ideal for inspecting overhead power lines. Principles of Overhead Power Line Thermal Imaging: Thermal imaging works on the principle of detecting infrared radiation emitted by objects based on their temperature. Overhead power lines and associated equipment generate heat during normal operation due to factors such as current flow, resistance, and environmental conditions. By capturing thermal images of power lines, technicians can identify abnormal hotspots that may indicate issues such as loose connections, corrosion, overloading, or faulty components. Early detection of these anomalies through thermal imaging can prevent potential failures and ensure the reliability of the power distribution network. Advancements in Thermal Imaging Technology: In recent years, significant