20 pair solid underground telephone cable
- Conductor Material: Solid Bare Copper, 0.5mm
- Pair Insulation Material: Foamed Polyethylene (FPE)
- Number of Pairs: See tableFilling: Petroleum Jelly
- Tape: Water Blocking Paper
- Inner Sheath Material: Polyethylene
- Inner Sheath Colour: Black
- Armour: Helical Lapped Steel Wire
- Outer Sheath Material: Polyethylene
- Outer Sheath Colour: Black
- Core Identification: CW 1128 (see attached)
Electrical Characteristics
- Voltage Rating: < 100 VNominal Conductor
- Resistance: < 91 Ω/km
- Insulation Resistance: > 1500 MΩ/KM
- Mutual Capacitance: < 56 nF/km
Physical Characteristics
- Temperature Rating: 0°C to +70°CMin.
- Bend Radius: 8 x OD
