目前,我国的经济在不断地发展,城市中的高层建筑也越来越多,因此,人们更加重视高层建筑电线电缆的选用。如果选用不适当的电线电缆,就会引发火灾,这已经成为高层建筑在建设中的重要安全问题。本文介绍了防火性能电线电缆的特性,对防火性能的电线电缆的应用和设计原则进行了研究。 At present, the economy of our country is constantly developing and there are more and more high-rise buildings in cities. Therefore, people pay more attention to the selection of high-rise wire and cable. If you choose improper wire and cable, it will cause a fire, which has become an important safety issue in the construction of high-rise buildings. This article introduces the characteristics of fire-resistant wire and cable, and studies the application and design principles of fire-retardant wire and cable.