Flexible & Durable Copper 4/0 Welding Cable

4/0 Welding Cable is an ultra-flexible cable designed for high current industrial welding applications. 4/0 gauge cables are suitable for MIG/TIG welders, shipyard welding, mining equipment and heavy machinery repair. The conductors are ultra-fine oxygen-free copper wire that meets ASTM B172 Class K standards. The high-temperature rubber insulation is designed to withstand extreme working conditions without hardening. 4/0 ga welding cable carries 25% more current than 3/0 welding cable, making it suitable for longer distances or higher-powered welders. In purchasing certified “4/0 Welding Cable Near Me”, ZW Cable manufacturers are offering real-time inventory tracking and customized solution options.

Key Features：

• Long Distance Stability: Voltage reduction of less than 3% (NEC compliant), even over 50 feet, prevents unstable arcs or defective weld joints.
• Fatigue resistant construction: Ultra-fine stranded copper wire + rubber insulation.
• UL/CSA Dual Certification: Passed UL 44 Flame Resistance Test and CSA C22.2 No. 38 Mechanical Strength Standard.

Cable Construction：

• Conductor: Plain annealed copper Class 5
• Insulation: Rubber
• Sheath Color: Black and Red