1.Standards:GB12706-91 IEC60502
2.For laying indoors in tunnels and in ducts able to external mechanical foreces
Description
Circular compacted stranded copper or Aluminium conductor,PVC screened, two cores asssembled together with PVC outer sheath.
Construction
1. conductor
Plain circular compacted stranded copper or Aluminium conductor
2. Insulation
PVC rated at 70°c
3.Color for core identification
Red, yellow, blue and green tape shall be applied in sheath.
4. Assembly
Three screened core are laid up together.
5. outer sheath
PVC types ST2to IEC color black
Application
There cables are generally suitable for direct burial or insulation on trays or ducts
NOTE cables complying with GB12706-91 IEC60502 and customer's specification are available upon requst
| Nominal cross-sectional area(mm2) | Nominal thickness of insulation(mm) | Approx overall diameter(mm) | |||||||
| Laid in the air | Laid ubderground thermal resstivity of the soil=80(°c.Cm/w) | ||||||||
