Power cable with PVC insulation is widely used in low and medium voltage power distribution systems due to its reliability, durability, and cost‑effectiveness. PVC, or polyvinyl chloride, is a thermoplastic material that provides excellent electrical insulation and mechanical protection to the conductor. This type of cable is suitable for fixed installation in industrial plants, commercial buildings, residential areas, and infrastructure projects where consistent and safe power transmission is required.The conductor is typically made of high‑purity copper or aluminum, either stranded or solid, depending on the required flexibility and current‑carrying capacity. Around the conductor, PVC insulation is extruded to form a uniform and compact layer. This insulation offers good dielectric properties, ensuring low leakage current and stable performance under rated voltage. For multi‑core cables, each core is individually insulated and then laid up together, often with color‑coded insulation to simplify identification during installation and maintenance.PVC insulated power cables can be designed for a wide range of voltages, commonly from 300/500 V up to 0.6/1 kV for low voltage applications, with special constructions available for higher ratings. They are used for power supply to lighting systems, machinery, control equipment, distribution boards, and various fixed wiring applications. These cables can be installed in conduits, cable trays, ducts, underground, or directly on supporting structures, provided that installation guidelines and local electrical standards are followed.One of the key advantages of PVC insulation is its resistance to moisture, many chemicals, and oils, which makes the cable suitable for use in harsh and humid environments. It also provides good abrasion resistance and adequate mechanical strength, helping to protect the conductor from external impacts during and after installation. The material remains stable over a wide temperature range, typically from –15°C to +70°C in normal operation, with short‑circuit temperature limits defined by applicable standards.PVC insulated power cables are available in various constructions, including single‑core and multi‑core versions, with or without additional coverings. For improved mechanical protection, a PVC sheathed layer can be applied over the insulated cores. In some designs, armoring with steel tape or steel wire may be added between the insulation (or bedding) and the outer sheath to provide enhanced resistance to mechanical damage and to allow direct burial or use in areas exposed to higher mechanical stress.These cables comply with relevant international and regional standards, ensuring consistent quality, defined electrical characteristics, and tested safety performance. They are tested for insulation resistance, voltage withstand, flame retardancy, and physical properties of the PVC compound. Flame‑retardant and low‑smoke formulations can be specified for installations where fire safety is a critical concern, such as public buildings or enclosed spaces.Overall, PVC insulated power cable offers a practical combination of electrical safety, mechanical robustness, ease of installation, and economical cost. Its versatility and broad availability make it a preferred choice for many power distribution and fixed wiring applications across different sectors.