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CTW-AP
Alpeth sheathed cable
Solid copper conductors
Aluminium shield · Black PE sheath
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- Applications
- Primarily for aerial use. Also suitable for short, non-pressurized runs in industrial ducts and conduits.
- Conductor
- Solid annealed copper: 0.4, 0.5, 0.65 and 0.9 mm diameter.
- Insulation
- Solid high-density polyethylene or polypropylene, colour-coded in accordance with telephone standards.
- Twisted pairs
- Conductors are twisted into pairs with varying twist lengths to minimize crosstalk. Colour combinations identify individual pairs.
- Core assembly
- Colour-coded units identify the core assembly. Unit construction for more than 25 pairs; concentric construction for up to 25 pairs.
- Core wrap
- Non-hygroscopic dielectric tape applied longitudinally with an overlap.
- Shielding system
- Plastic-coated aluminium tape, 0.2 mm bare thickness, corrugated and applied longitudinally with an overlap.
- Outer sheath
- Black low-density polyethylene.
- Pair ranges in the datasheet
- 0.4 / 0.5 mm: 5–900 pairs; 0.65 mm: 5–600 pairs; 0.9 mm: 5–400 pairs. Refer to the PDF for individual sizes.
- Packing
- Reels; standard length varies by size and pair count.
- Length marking
- Optional.
Refer to the original PDF for the full specification and available configurations.
Read full datasheet — 5 pages ↗
CTW-AP-8
Self-supporting figure-eight cable
Solid copper conductors
Steel messenger · Black PE sheath
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- Applications
- Pole-to-pole and pole-to-building installations. Suitable for industrial or coastal locations where bare steel strands may corrode.
- Conductor
- Solid annealed copper: 0.4, 0.5, 0.65 and 0.9 mm diameter.
- Insulation
- Solid high-density polyethylene or polypropylene, colour-coded in accordance with telephone standards.
- Twisted pairs
- Conductors are twisted into pairs with varying twist lengths to minimize crosstalk. Colour combinations identify individual pairs.
- Core assembly
- Colour-coded units identify the core assembly. Unit construction for more than 25 pairs; concentric construction for up to 25 pairs.
- Core wrap
- Non-hygroscopic dielectric tape applied longitudinally with an overlap.
- Shielding system
- Plastic-coated aluminium tape, 0.2 mm bare thickness, corrugated and applied longitudinally with an overlap.
- Messenger
- Seven-wire, extra-high-strength galvanized steel strand. Flooded with elastomer combined with asphalts, plasticizers and fillers. Minimum breaking strength: 29.58 kN.
- Outer sheath
- Black low-density polyethylene, with a web joining the cable and messenger into a figure-eight cross-section.
- Pair ranges in the datasheet
- 0.4 mm: 5–400 pairs; 0.5 / 0.65 mm: 5–300 pairs; 0.9 mm: 5–200 pairs. Refer to the PDF for individual sizes.
- Packing
- Reels; standard length varies by size and pair count.
- Length marking
- Optional.
Refer to the original PDF for the full specification and available configurations.
Read full datasheet — 5 pages ↗
CTW-AP-FSF
Filled foam/skin insulated cable
Solid copper conductors
Filled core · Black PE sheath
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- Applications
- Buried distribution and exchange feeder installations. Also suitable for short runs in industrial ducts and conduits. Filling improves water resistance.
- Conductor
- Solid annealed copper: 0.4, 0.5, 0.65 and 0.9 mm diameter.
- Insulation
- Dual expanded foam/skin polyethylene or polypropylene.
- Twisted pairs
- Conductors are twisted into pairs with varying twist lengths to minimize crosstalk. Colour combinations identify individual pairs.
- Core assembly
- Colour-coded units identify the core assembly. Unit construction for more than 25 pairs; concentric construction for up to 25 pairs.
- Core wrap
- Non-hygroscopic dielectric tape applied longitudinally with an overlap.
- Filling compound
- Completely fills the spaces between pairs and beneath the core wrap.
- Shielding system
- Plastic-coated aluminium tape, 0.2 mm thick, applied longitudinally with an overlap over the core wrap.
- Flooding compound
- Fills the spaces between the core wrap, shielding and sheath.
- Outer sheath
- Black low-density polyethylene.
- Pair ranges in the datasheet
- 0.4 mm: 25–3,000 pairs; 0.5 mm: 25–2,100 pairs; 0.65 mm: 10–1,200 pairs; 0.9 mm: 10–600 pairs. Refer to the PDF for individual sizes.
- Packing
- Reels; standard length varies by size and pair count.
- Length marking
- Optional.
Refer to the original PDF for the full specification and available configurations.
Read full datasheet — 5 pages ↗
CTW-TPEV
Indoor multipair telephone cable
Solid copper conductors
PE/PP insulation · Ivory PVC sheath
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- Applications
- For connecting subscribers inside buildings.
- Conductor
- Solid annealed copper: 0.5 and 0.65 mm diameter.
- Insulation
- Solid high-density polyethylene or polypropylene, as shown in the construction table and diagram.
- Pair identification
- Colour combinations identify the twisted pairs.
- Core assembly
- Colour-coded units identify the core assembly. Unit construction for more than 25 pairs; concentric construction for up to 25 pairs.
- Core wrap
- Non-hygroscopic dielectric tape applied longitudinally with an overlap.
- Outer sheath
- Ivory-coloured PVC, as shown in the construction table and diagram.
- Pair range
- 4–300 pairs at both conductor diameters. Refer to the PDF for individual sizes.
- Maximum conductor resistance at 20°C
- 0.5 mm: 90.2 Ω/km; 0.65 mm: 57.1 Ω/km.
- Minimum insulation resistance at 20°C
- 16,000 MΩ·km.
- Packing
- Reels; standard length varies by size and pair count.
- Length marking
- Optional.
Refer to the original PDF for the full specification and available configurations.
Read full datasheet — 3 pages ↗
CTW-SW (TIEV)
Station wire
2–6 solid copper cores
PE/PP insulation · Ivory PVC sheath
View details
- Applications
- For general use inside a telephone subscriber station.
- Conductor
- Solid annealed copper: 0.5 and 0.65 mm diameter.
- Core options
- 2, 3, 4, 5 or 6 cores. The illustration shows the 2-core version.
- Insulation
- Solid high-density polyethylene or polypropylene.
- Core colours
- 2 cores: red, green. 3 cores: add yellow. 4 cores: add black. 5 cores: add white. 6 cores: add brown.
- Outer sheath
- Ivory PVC.
- Maximum conductor resistance at 20°C
- 0.5 mm: 90.2 Ω/km; 0.65 mm: 57.1 Ω/km.
- Dielectric strength between conductors in water
- 0.5 mm: 3.0 kVrms for 3 seconds; 0.65 mm: 3.6 kVrms for 3 seconds.
- Minimum insulation resistance at 20°C
- 16,000 MΩ·km.
- Standard packing
- 150 m per coil.
- Length marking
- Optional.
Refer to the original PDF for the full specification and available configurations.
Read full datasheet — 2 pages ↗
CTW-JW
Jumper wire
2 or 3 tinned copper cores
PVC insulation · Twisted lay-up
View details
- Applications
- Cross-connections on distribution frames and at terminals inside telephone cabinets.
- Conductor
- Solid tinned annealed copper: 0.5 and 0.65 mm diameter.
- Insulation
- PVC.
- Lay-up
- 2 or 3 cores twisted together; no overall sheath is shown. The illustration shows the 2-core version.
- Core colours
- 2 cores: black and yellow. 3 cores: black, white and green.
- Maximum conductor resistance at 20°C
- 0.5 mm: 95.1 Ω/km; 0.65 mm: 60.7 Ω/km.
- Dielectric strength between conductors
- 1.0 kVrms for 3 seconds.
- Minimum insulation resistance at 20°C
- 200 MΩ·km.
- Standard packing
- 200 m per coil.
- Length marking
- Optional.
Refer to the original PDF for the full specification and available configurations.
Read full datasheet — 2 pages ↗
CTW-GW
Ground wire
Single solid tinned copper conductor
Black or dark-grey PVC insulation
View details
- Applications
- For connecting a telephone connector to ground at subscriber premises.
- Conductor
- Solid tinned annealed copper.
- Available conductor sizes
- 14 AWG (1.6 mm), 12 AWG (2.0 mm), 10 AWG (2.6 mm) and 6 AWG (4.1 mm), as listed in the datasheet.
- Insulation
- Black or dark-grey PVC.
- Product codes
- 14 AWG: T24140000; 12 AWG: T24120000; 10 AWG: T24100000; 6 AWG: T24060000.
- Maximum conductor resistance at 20°C
- 14 / 12 / 10 / 6 AWG: 9.2 / 5.6 / 3.6 / 1.4 Ω/km respectively.
- Approximate overall diameter
- 14 / 12 / 10 / 6 AWG: 3.2 / 3.6 / 4.2 / 7.3 mm respectively.
- Approximate weight
- 14 / 12 / 10 / 6 AWG: 27 / 38 / 62 / 162 kg/km respectively.
- Standard packing
- 200 m per coil.
- Length marking
- Optional.
Refer to the original PDF for the full specification and available configurations.
Read full datasheet — 1 page ↗
