As the professional manufacturer, we would like to provide you Paidu Three Phase Five Wire Copper Core Flame Retardant. The cable must comply with relevant industry standards and regulations governing electrical cables, including flame-retardant requirements. Compliance ensures that the cable meets specific safety and performance criteria for its intended application.Three-phase five-wire copper core flame-retardant cables are commonly used in commercial and industrial settings where reliable and safe power distribution is essential. Proper installation and maintenance of these cables are crucial to ensure the safety, reliability, and efficiency of electrical systems.