PVC sheathed copper cable is a widely used electrical conductor designed for reliable power transmission and distribution in residential, commercial, and industrial environments. It consists of copper conductors insulated and protected by a durable polyvinyl chloride (PVC) sheath. Copper is selected for its excellent electrical conductivity, mechanical strength, and long‑term stability, while PVC provides insulation, mechanical protection, and environmental resistance.The copper conductor inside the cable may be solid or stranded. Solid conductors are common in fixed installations where flexibility is not a primary requirement. Stranded conductors, formed by multiple smaller copper wires twisted together, offer greater flexibility and are suitable for installations requiring frequent bending or routing through confined spaces. The conductor can be manufactured in various cross‑sectional areas to handle different current ratings and voltage requirements.PVC is used as the outer sheath because it combines electrical insulation, toughness, and cost‑effectiveness. It resists moisture, many chemicals, and abrasion, making the cable suitable for indoor wiring, concealed installations, and in some cases outdoor use when adequately protected. The smooth surface of the sheath facilitates easy pulling through conduits and trays, reducing installation time and friction. PVC can also be formulated to offer improved flame retardancy, helping to limit the spread of fire and reduce smoke generation in the event of overheating or short circuits.PVC sheathed copper cables are typically rated for low and medium voltage applications, such as building wiring, lighting circuits, socket outlets, control systems, and power supply to fixed equipment. They can be installed in conduits, trunking, cable trays, or directly on walls, depending on local regulations and installation conditions. Color coding of the insulation or sheath helps identify phase, neutral, and protective conductors to support safe installation and maintenance.Compliance with international and regional standards is an important aspect of PVC sheathed copper cable design. Standards specify conductor material and purity, insulation thickness, dielectric properties, temperature ratings, and test procedures for mechanical and electrical performance. Typical operating temperature ranges extend up to 70 °C or 90 °C, depending on the PVC compound used. Proper current rating tables and installation guidelines must be followed to prevent excessive heating and to maintain long service life.In addition to standard power cables, variations include armored PVC sheathed copper cables for enhanced mechanical protection, halogen‑reduced or low‑smoke PVC formulations for improved fire safety, and specialized designs for control and instrumentation circuits. With its balance of performance, reliability, and cost, PVC sheathed copper cable remains a fundamental solution for modern electrical infrastructure.