cable r wire 100 pair telephpone cable from shenzhen cable factory

      Conductor:                            solid bare copper 26 awg

            Conductor requirement:     99.99% pure copper

            Mechanical properties:       elongation 15%

            Diameter:                           0.4+/- 0.005 mm

            Conductor resistance:       148 ohm/km 24awg/26awg (0.4/0.5mm) armoured underground jelly filled telephone cable

            Resistance unbalance:       <1.5

            characteristic impedance:   100+/- 15 ohm

            insulation:                          high density polyethylene (hdpe)

Nom: thickness (mm)                      0.19

Nom insulation dia(mm)                   0.84

Pair twist

Color (the 25 pairs basic unit) 

1. white-blue                              13. black-breen
2. white-orange                          14. black-brown
3. white-green                            15. black-grey
4. white-brown                           16. yellow-blue
5. white-grey                              17. yellow-orange
6. red-blue                                 18. yellow-green
7. red-orange                             19. yellow-brown
8. red-green                               20. yellow-grey
9. red-brown                              21. purple-blue
10. red-grey                                 22. purple-orange
11. black-blue                              23. purple-green
12. black-orange                          24. purple-brown

                                                                         25. purple-grey

Pet min thickness(mm)                         >= 0.04

Al mylar                                       pet-alu-pet

Nom thickness                                0.2mm

Inner jacket                                     pe

Color                                         black

Armored                                    double layers steel tape

Outer jacket                                   pe

Color                                       black

Word print                           rpc cable hyat23 xxx meter

Electrical characteristic  1700 pairs telephone cable

Capacitance unbalance

-pair to pair (individual maximum)               250 pf/km

-pair to ground (individual maximum)             2630 pf/km

-pair to ground (average maximum)             570 pf/km

Insulation resistance                           => 10000 m ohm/km

Physical properties

-tensile strength minimum of pe insulation         16 mpa

-elongation of insulation                         => 300%

-cold bend failure maximum of pe insulation       5%

-elongation of jacket                             => 300%

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