The cable is owned by the Georgian railway network. It is heavily protected, but landslides or heavy rain may have exposed it to scavengers.

电缆属于格鲁吉亚铁路网所有。是被高度保护的，但是山体滑坡或暴雨可能使其被拾荒者发现。

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Boxes can be supplied factory prewired with high temperature lead wire protected with armor cable or wire braid.

接线盒可在工厂预先配有高温引线，引线由铠装电缆或金属编织来保护。

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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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Fiber optic cable is not vulnerable to EMP, but the switches and controls that use microelectronics in conjunction with the fiber optic cable need to be protected.

CENTERFORSECURITYPOLICY: Old threat with a new face

Fiber optic cable is not vulnerable to EMP, but the switches and controls that use microelectronics in conjunction with the fiber optic cable are, and should be protected.

CENTERFORSECURITYPOLICY: Center For Security Policy

But it said it was uncertain whether such a system would have protected the Kent helicopter from catastrophic damage given the size of the cable involved.

BBC: 'Hidden cable' caused helicopter crash