What kind of cable, optical cable and communication cable should be used on the railway?
General order is from top to bottom of the high pressure moving cable, low voltage cable, control cable, communication dynamic electricity cable, solve the interference measures are nothing more than the shielding layer and the steel armor to ground, or between the power cable and the communication cable is additionally provided with a layer of shielding layer, wear in steel tube, the steel tube to better.
There is a distance, the specific number, specifications are not specified, the design is about at least 300 millimeters.