Experimental results show that the switch power supply has good performance in anti lightning strike, wide temperature range and low cost.

运行结果表明，该电源各项性能指标能满足设计要求，具有防雷击、适应温度范围广和成本低的优点。

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This paper introduces the designing for the safety of computer room and discusses the design method of power supply, grounding, anti-static and anti-lightning strike.

论述计算机机房电气设计中的安全问题，供电设计、防雷击、防静电以及接地的设计。

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For laying indoors, in tunnels and cable ditch, unable to bear external mechanical forces, has the strong property of anti electro-magnetic interference and lightning strike.

敷设在室内、隧道及电缆沟内，电缆不能承受机械外力，电缆具有较强的抗电磁干扰和抗雷击性能。

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