The laying distance of the cable laying cable
You use the flame retardant tube, then as long as the wire in the tube without joints at no problem when the normal use of more than ten years
The wire is plastic, is a polymer material, do not dissolve in water, will not affect, but there is no connector, will make the joints rust, causing poor contact because the water will cause the circuit will lead to short circuit, burn other thing.
The state has not made clear that only the minimum diameter of the requirements of which the minimum wall thickness requirements were 1.01.11.31.51.92.22.7 minimum diameter were 12.215.820.626.634.443.257 corresponding wall thickness were 1.0-1.. respectively. 1-2.11.3-2.21.5-2.71.9-2.82.2-3.42.7-3.0
