Model: Product Name: fire-resistant communications cable Features: Model: NH-of HYA, NH-HYAP, NH-HYAC, NH-HYA53, NH-HYV NH-HYVP, NH-of HPV NH-HPVP is fire-resistant communications cable details : 1, Name: fire-resistant communications cable, use: fire-resistant cables are widely used in high-rise buildings, subways, underground shopping mall, large-scale power plant and an important industrial and mining enterprises and other relevant local and fire safety and fire rescue, for example, fire fighting equipment and emergency Wizard lights and other emergency facilities, power lines and control lines. , Fire-resistant cable is able to maintain a certain time the safe operation of the cable in the flame. China's national standards GB12666.6 (equivalent to IEC331) fire resistance test points A, B, two levels, A-level flame temperature of 950 ~ 1000 ℃, and continued for the fire time 90min, B, flame temperature of 750 ~ 800 ℃, continued for fire 90 min, throughout the trial period, the specimen shall be subjected to the rated voltage value of the product prescribed. The fire-resistant cables are widely used in high-rise buildings, subways, underground shopping mall, large-scale power plant and an important industrial and mining enterprises and other relevant local and fire safety and fire rescue, fire-fighting equipment and emergency Wizard lights and other emergency facilities power lines and control lines. Model: NH-of HYA, NH-HYAP, NH-HYAC, NH-HYA53, NH-HYV NH-HYVP, NH-of HPV, NH-HPVP