Maintaining power cables is essential to ensure their longevity, reliability, and safe operation within electrical systems. Regular visual inspections are the first line of defense, where technicians carefully examine the cables for any signs of physical damage, such as cuts, cracks, or abrasions on the insulation and outer jackets. Special attention is paid to areas where the cables are bent, terminated, or exposed to mechanical stress. Monitoring the operating temperature of power cables is also crucial. High temperatures can indicate overloading, poor connections, or degradation of the insulation, and can be detected using thermal imaging cameras or temperature sensors. Cleaning the cables periodically, especially in environments with dust, dirt, or chemical contaminants, helps prevent the accumulation of substances that could potentially damage the insulation or cause electrical shorts. Additionally, checking and tightening cable connections at regular intervals ensures good electrical contact and reduces the risk of arcing and overheating. In areas prone to moisture, such as underground installations, moisture monitoring and protection measures, like using waterproof seals and barriers, are necessary. Periodic testing, including insulation resistance testing and dielectric withstand testing, provides quantitative data on the cable's condition and helps identify potential issues before they lead to failures. By following a comprehensive maintenance program, power cables can continue to perform optimally and contribute to the stable operation of electrical systems.