请问WD 1/TT CABLE的结构? - 简版

daisy214
楼主
2010-07-02 11:06:56
WD 1/TT CABLE, 这种电话线的结构是什么样的?感谢各位了?
LXlexy
1 楼
2016-07-18 15:31:19

CONSTRUCTION

- Conductor : Composed of 4 strands of 0.28mm tined copper wire

                      and 3 strands of 0.28mm galvanized steel wire

- Insulation : Black Polyethylene extrusion

- Jacket : Natural colored nylon extrusion

- Finished field wire : Two finished single conductors shall be twisted

                                  closely together

zhiqin1900
2 楼
2016-07-23 16:47:30
能具体一些么