The paper analyses the importance of lightning protection of railway signal and principle of lightning disasters for signal equipment and discusses the common method for lightning protection.
论文分析了铁路信号防雷的重要性，介绍了信号设备雷电灾害的原理，并对雷电防护的一般方法进行了论述。
Mains and external signal cables longer than 10 m shall in areas where lightning is frequent be protected with an external lightning surge protection at the cable entrance to the building.
主线和外部信号线超过10米的，在线进入大楼的入口处时设置避雷保护，避免雷击。
Mains and external signal cables longer than 10 m shall in areas where lightning is frequent be protected with an external lightning surge protection at the cable entrance to the building.
主线和外部信号线超过10米的，在线进入大楼的入口处时设置避雷保护，避免雷击。
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