NH-YJV Cable Wholesale NH-YJV Fire-Resistant Copper Core Cable Fire-Resistant Copper Core Cable 

Usage Characteristics 1. The allowable long-term operating temperature for cable conductors is: cross-linked insulation 90°C; PVC insulation 70°C.

 2. The allowable short-circuit temperature for cable conductors is: cross-linked insulation 250°C, duration not exceeding 5 seconds; PVC insulation 160°C, duration not exceeding 5 seconds.

 3. Flame-retardant cables can effectively prevent the spread of flames.

 4. Low-smoke zero-halogen (also known as clean, eco-friendly) cables do not produce toxic gases when burned, only generating a small amount of smoke.

 5. Cables with a fire-resistant structure can maintain normal operation for 90 minutes under flame conditions of 750-800°C (or 950-1000°C).