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The multi loose tube non metallic cable is designed for outside plant, which is prone to electrical interference.
The cable consists of 5 to 36 fibers containing tubes or fillers stranded in up to 3 layers around a central strength member and bound under a PE jacket. Each tube contains 4 -12 fibers. Solid or stranded steel wire coated with polyethylene is usually used as central strength member. Fiber glass reinforced plastics (FRP) will be used as central strength member if non metallic construction is required. Either aramid yarn or fi ber glass is wound around the tube to provide physical protection and tensile strength. The cable can be jacketed with either PE, PVC or LSZH though PE is the preferred option for water protection purpose. For direct burial, steel wire armour or corrugated steel tape armour is applied with an optional inner jacket of either PVC or PE. An Aluminium moisture tape can be incorporated under the jacket for water blocking and shielding purpose. A ripcord is located under the jacket to facilitate jacket removal.
| Fiber Count | Nominal Weight(kg/km) | Nominal Weight(lb/kft) | Nominal Outer Diameter(mm) | Nominal Outer Diameter(in) | Maximum Pulling Load | |
| Installation(N/Ib) | In Service(N/Ib) | |||||
| 2-36 | 110.0 | 73.83 | 120. | 0.472 | 2670/600 | 800/180 |
| 38-72 | 120.0 | 80.54 | 12.6 | 0.496 | 2670/600 | 800/180 |
| 74-84 | 135.0 | 90.60 | 13.5 | 0.531 | 2670/600 | 800/180 |
| 76-96 | 150.0 | 100.67 | 14.0 | 0.551 | 2670/600 | 800/180 |
| 98-108 | 170.0 | 114.09 | 15.0 | 0.590 | 2670/600 | 800/180 |
| 110-120 | 190.0 | 127.52 | 15.5 | 0.610 | 2670/600 | 800/180 |
| 122-132 | 210.0 | 140.94 | 16.5 | 0.649 | 2670/600 | 800/180 |
| 134-144 | 230.0 | 154.36 | 17.5 | 0.688 | 2670/600 | 800/180 |
| 146-216 | 250.0 | 167.79 | 18.0 | 0.708 | 2670/600 | 800/180 |
| 218-264 | 300.0 | 201.34 | 19.5 | 0.767 | 2670/600 | 800/180 |
| 266-312 | 350.0 | 234.90 | 21.0 | 0.826 | 2670/600 | 800/180 |
| 314-360 | 400.0 | 268.46 | 22.5 | 0.885 | 2670/600 | 800/180 |
Physical Properties
| Fiber Count | Nominal Weight(kg/km) | Nominal Weight(lb/kft) | Nominal Outer Diameter(mm) | Nominal Outer Diameter(in) | Maximum Pulling Load | |
| Installation(N/Ib) | In Service(N/Ib) | |||||
| 2-36 | 210.0 | 140.94 | 15.0 | 0.590 | 2670/600 | 800/180 |
| 38-72 | 230.0 | 154.36 | 15.5 | 0.610 | 2670/600 | 800/180 |
| 74-84 | 250.0 | 167.79 | 16.5 | 0.649 | 2670/600 | 800/180 |
| 76-96 | 270.0 | 181.21 | 17.0 | 0.669 | 2670/600 | 800/180 |
| 98-108 | 295.0 | 197.98 | 17.5 | 0.688 | 2670/600 | 800/180 |
| 110-120 | 320.0 | 214.77 | 18.5 | 0.728 | 2670/600 | 800/180 |
| 122-132 | 355.0 | 238.26 | 19.0 | 0.748 | 2670/600 | 800/180 |
| 134-144 | 370.0 | 248.32 | 20.0 | 0.787 | 2670/600 | 800/180 |
| 146-216 | 390.0 | 261.74 | 21.0 | 0.826 | 2670/600 | 800/180 |
| 218-264 | 455.0 | 305.35 | 22.5 | 0.885 | 2670/600 | 800/180 |
| 266-312 | 515.0 | 345.64 | 24.0 | 0.944 | 2670/600 | 800/180 |
| 314-360 | 580.0 | 389.26 | 26.0 | 1.023 | 2670/600 | 800/180 |
Physical Propertie
| Fiber Count | Nominal Weight(kg/km) | Nominal Weight(lb/kft) | Nominal Outer Diameter(mm) | Nominal Outer Diameter(in) | Maximum Pulling Load | |
| Installation(N/Ib) | In Service(N/Ib) | |||||
| 2-36 | 700.0 | 469.80 | 21.0 | 0.826 | 8000/1800 | 2650/595 |
| 38-72 | 830.0 | 557.05 | 23.5 | 0.925 | 8000/1800 | 2650/595 |
| 74-84 | 870.0 | 583.89 | 24.0 | 0.944 | 8000/1800 | 2650/595 |
| 76-96 | 900.0 | 604.03 | 24.5 | 0.964 | 8000/1800 | 2650/595 |
| 98-108 | 950.0 | 637.58 | 26.0 | 1.023 | 8000/1800 | 2650/595 |
| 110-120 | 1000.0 | 671.14 | 27.0 | 1.062 | 8000/1800 | 2650/595 |
| 122-132 | 1050.0 | 704.70 | 28.0 | 1.102 | 8000/1800 | 2650/595 |
| 134-144 | 1100.0 | 738.26 | 29.0 | 1.141 | 8000/1800 | 2650/595 |
| 146-216 | 1300.0 | 872.48 | 31.0 | 1.220 | 8000/1800 | 2650/595 |
| 218-264 | 1400.0 | 939.60 | 33.0 | 1.299 | 8000/1800 | 2650/595 |
| 266-312 | 1500.0 | 1006.71 | 35.0 | 1.377 | 8000/1800 | 2650/595 |
| 314-360 | 1600.0 | 1073.83 | 37.0 | 1.456 | 8000/1800 | 2650/595 |
Physical Properties
| Minimum Bending Radius: | Maximum Compressive Load: | 4000N for unarmored cables; | |
| Under installation: | 20×OD | 6000N for armoured cables | |
| During operation | 10×OD for unarmoured cables | Repeated Impact: | 4.4 N.m (J) |
| 20×OD for armoured cables | Twist (Torsion): | 180×10 times, 125×OD | |
| Temperature Range: | Cyclic Flexing: | 25 cycles for armoured cables. | |
| Operating Temperature Range: | -40℃(-40℉) to +70℃(+158℉) | 100 cycles for unarmoured cables. | |
| Storage Temperature Range: | -50℃(-58℉) to +70℃(+158℉) | Crush Resistance: | 220N/cm (125lb/in) |
| Temperature Cycling Tensile Strength Crush Impact Repeated Bending Torsion Kink Cable Bend Cool Bend |
IEC60794-1-2-F2 IEC60794-1-2-E1A IEC60794-1-2-E3 IEC60794-1-2-E4 IEC60794-1-2-E6 IEC60794-1-2-E7 IEC60794-1-2-E10 IEC60794-1-2-E11 IEC60794-1-2-E11 |
| General Purpose Grade | Flammability Test: OFN (UL1581) |
| Riser Grade | Flammability Test: OFNR/FT4 (UL1666) |
| Plenum Grade | Flammability Test: OFNP/FT6 (UL 910) |
| FRPVC Grade | Flammability Test: IEC60332-1 |
| LSZH Grade | Halogen Content Test: IEC 60754-1 Acidity Test: IEC 60754; Smoke Emission Test: IEC61034-1/2 |
| LSFROH Grade | Halogen Content Test: IEC 60754-1 Acidity Test: IEC 60754; Smoke Emission Test: IEC61034-1/2 Flammability Test: IEC60332-1 & IEC 60332-3C/A |
| FR Grade | Fire Resistance Test : IEC 60331 / BS 6387 CWZ |
Telcordia GR-20 RUS 7 CFR 1755.900 (REA PE-90) ICEA S 87-640
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Caledonian Cables
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