本标准规定了最低电气保护要求，旨在减轻客户构筑物或建筑物电信网络入口处雷电和交流电源故障的破坏性影响。雷电和交流电源线故障造成的干扰可能会中断电信服务，还可能导致电信设备和设备受损。由于电信网络设备的物理位置以及与电力公用设施的频繁联合使用或联合路权安装，其经常会受到此类干扰，并且可能会对客户结构或建筑物的网络外观造成部分干扰。电信服务提供商在网络外观上采用电气保护设备以及连接和接地技术，以减少此类干扰的影响。

This standard establishes minimum electrical protection requirements intended to mitigate the disruptive and damaging effects of lightning and ac power faults at telecommunications network entrances to customer structures or buildings.Disturbances from lightning and ac power line faults may be disruptive to telecommunications service and may also result in damage to the telecommunications plant and equipment. Telecommunications network plant is often exposed to such disturbances due to its physical location and frequent joint-use or joint right-of-way installations with power utility facilities and may carry a portion of these disturbances to the network appearance at a customer structure or building. Telecommunications service providers employ electrical protection equipment and bonding and grounding techniques at the network appearance to reduce the effects of such disturbances.