4.0 mm Electrical copper wires

Upgrade your electrical projects with our premium red insulated copper wires, perfect for both residential and commercial installations. Each bundle features high-conductivity copper cores wrapped in durable, protective insulation for maximum safety and longevity. Conveniently packaged rolls ensure hassle-free transport and handling at the job site. Available in various gauges and lengths to fit your specific wiring needs. Whether you're wiring a new building or handling routine repairs, this reliable, easy-to-use wire is engineered for performance and peace of mind.