4.Sheath :the technical spec of PVC sheath material is up to the standard of GB8815
3.Line pairs:every two insulation conductor strands into pair according to the stated chromatogram.
2.insulation:adopt one of flame retardant polyethylene,PVC and polyethylene according to different moel,
1. Adopt soft round copper wire as conductors, whose diameter includes 0.5, 0.6. 0.8mm
Structure of HYY outdoor telephone cable:
HYY outdoor telephone cable comply YD/T840-1996
Brand Name: | changjiang |
Place of Origin: | Guangdong China (Mainland) |