Flame Retardant & Fire-resistant Copper Conductor PVC Insulated Flexible Wire, 1 core × 70 mm², rated voltage 450/750 V. Standard: Manufactured in accordance with GB/T 5023 / JB/T 8734 (450/750 V PVC insulated wires and flexible wires); flame retardant and fire-resistant performance per GB/T 19666 and GB/T 19216 (IEC 60331). Applications: Fire-critical fixed wiring — emergency lighting, fire alarm and evacuation circuits in buildings; flexible connections inside switchgear and distribution panels. Characteristics: Flexible copper conductor for easy bending in confined spaces; flame retardant and fire-resistant, maintaining circuit integrity under fire; PVC insulation. Technical parameters: 1 core × 70 mm² flexible copper conductor, rated voltage 450/750 V, AC.