Heavy Duty Rubber Sheathed Flexible Cable, 3×16 + 1×6 mm², rated voltage 450/750 V. Standard: Manufactured in accordance with GB/T 5013.4 and IEC 60245-4 (rubber insulated flexible cables). Applications: Power supply for mobile and vibrating equipment — cranes, hoists, portable tools, construction and mining machinery requiring high mechanical strength and repeated flexing. Characteristics: Heavy-duty rubber insulation and sheath with high mechanical strength; excellent resistance to abrasion, tearing and rough handling; flexible; resistant to moisture and weathering. Technical parameters: 3 cores × 16 mm² + 1 core × 6 mm² copper conductor, rated voltage 450/750 V, AC.