10 12 15 16 pair outdoor underground telephone cable supplier
Solid copper wire
PVC or PE insulation
Aluminum Mylar shield or Copper tape shield
SWA armoured
PVC Sheath or PE sheath
Class 2 stranded conductors for single-core and multi-core cables12345678910Nominal crosssectional areaMinimum number of wires in the conductorMaximum resistance of conductor at 20ºCCircularCircular compactedShapedAnnealed copper conductorAluminium or aluminium alloy conductorCu AlCu AlCu AlPlain wiresmetal-coated wiresmm2Ω/KMΩ/KMΩ/KM0.57 3636.7 0.757 24.524.8 17 18.118.2 1.57 612.112.2 2.57 67.417.58 47 64.614.7 67 63.083.11 107766 1.831.843.08167766 1.151.161.91257766660.7270.7341.2357766660.5240.5290.86850191966660.3870.3910.641701919121212120.2680.270.443951919151515150.1930.1950.321203737181518150.1530.1540.2531503737181518150.1240.1260.2061853737303030300.09910.10.1642403737343034300.07540.07620.1253006161343034300.06010.06070.14006161535353530.0470.04750.07785006161535353530.03680.03690.06056309191535353530.02830.02860.046980091915353 0.02210.02240.0367100091915353 0.01760.01770.0291