Why is the terminal metal housing of the power cable to be grounded?
If the network cable is shielded with the network no problem, in fact, the main problem is not interference, it touches on security issues, from the truth, the strong and weak electricity can not take a bridge, if you must go inside a bridge, to add metal partitions The
WZC: W-halogen-free, ZC-flame retardant class C F46-poly perfluoro-propylene propylene Y - polyolefin sheath 2 - steel tape armor 2 - PVC outer jacket
How to say that interference is certainly some, if you line less words on one or two in the bridge next to do a tube it! The pipe will be a little better. Upstairs that I do not think that although in practice the construction of this practice a lot, because you do not feel the interference, but the reality does interfere with, or science should not be strong and weak must be separated.
