现在多层的居民住宅都按规范没有避雷装置,建成投入使用后却往往电视天线林立于房顶,避雷装置已低于电视天线。一旦雷击在电视天线上,将导致电视机烧毁和人员伤亡。这个问题目前还没有引起人们的重视。在住宅设计中只考虑了对房顶的直接雷击保 Currently, multi-storey residential houses are equipped with lightning protection devices in accordance with the specifications. After they are put into use, TV antennas often stand on the roof of the building, and lightning protection devices are already lower than TV antennas. Once the lightning strikes the TV antenna, it will cause the TV set to burn down and cause casualties. This issue has not yet attracted people’s attention. In residential design, only direct lightning strikes on the roof are considered