The flammability of power cables, and string extension, once the fire, the danger is serious, especially in power plants and large substations, once the fire occurred, the ripple of other circuits. Therefore, the fire prevention technology of power cables is one of the important technologies for the normal operation of electrical systems.
As the mineral insulated fireproof cable for the power transmission of the building engineering fire system, its safety and reliability requirements are very high. It is the “lifeline” of rescue in case of fire, but now the cable industry market is mixed, with fierce competition between peers and overcapacity, which gives unscrupulous businessmen the understanding of the crooked brain. How do distinguish the authenticity of fire-resistant cable?