TECK90 3C 300 kcmil 1000 V
Nominal calculation, not one manufacturer's datasheet. The conductors are NEC Chapter 9 Table 8; the RW90 walls, the bond, both jackets and the armour band are the values seven makers print or give through their diameters, because CSA C22.2 No. 131 was not read. Check the datasheet before you specify or order.
By NEC Table 8 and the catalogued walls, TECK90 3C 300 kcmil 1000 V comes to an overall diameter of about 57.7 mm and a weight of about 5,980 kg/km.
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Main dimensions
| Conductor | Copper 300 kcmil (152 mm²), Ø 15.5 mm | compressed Class B: ICEA S-94-649 Table C-4 as Elastimold prints it; below 2 AWG NEC Table 8 x 0.97 (its note) |
|---|---|---|
| Insulation | XLPE 2.29 mm | TECK90 RW90 XLPE insulation: 30 mil at 600 V; 45, 60, 80, 90 mil at 1000 V, as six makers print it (CSA C22.2 No. 131 not read) |
| Diameter over insulation | 20.1 mm | |
| Core diameter | 20.1 mm | |
| Overall diameter | 57.7 mm | |
| Weight (approximate) | 5,980 kg/km |
Layer by layer (inside out)
| # | Layer | Material | Thickness mm | Ø over mm | Source | How firmly |
|---|---|---|---|---|---|---|
| 1 | Insulation | XLPE | 2.29 | 20.1 (on each core) | TECK90 RW90 XLPE insulation: 30 mil at 600 V; 45, 60, 80, 90 mil at 1000 V, as six makers print it (CSA C22.2 No. 131 not read) | maker catalogue value, standard text not read |
| 2 | Separation tape | Polyester | 0.10 | 43.5 | typical polyester tape | typical value, no rule |
| 3 | Inner covering / bedding | PVC | 2.79 | 49.1 | TECK90 PVC inner jacket: 45, 60, 80, 110, 140 mil, as United Wire & Cable and Nexans print it | maker catalogue value, standard text not read |
| 4 | Interlocked armour | Aluminium | 3.05 | 55.2 | TECK90 interlocked aluminium armour, radial band 0.120 in (3.05 mm): derived from five makers' diameters over the armour and over the inner jacket; the strip is not printed | maker catalogue value, standard text not read |
| 5 | Sheath | PVC | 1.27 | 57.7 | TECK90 PVC outer jacket 50 mil: the median derived from seven makers' diameters (Southwire prints 45 to 80 mil) | maker catalogue value, standard text not read |
TECK90 is the CSA C22.2 No. 131 armoured cable: RW90 XLPE conductors and a bare copper bond in an outer interstice, a binder tape, a PVC inner jacket, interlocked aluminium armour and a PVC outer jacket. Checked against United Wire & Cable, Prysmian, Texcan, Nexans Canada, Shawflex, Northern Cables and Southwire: research/designer-americas/mc-teck.md in the site repository.
Materials in this cable: Copper, Aluminium, XLPE, PVC
Weight, by part
| Conductors | 4,410 kg/km |
| Metal screens and armour | 270 kg/km |
| Insulation, semicon, tapes, fillers and sheaths | 1,290 kg/km |
| Total | 5,980 kg/km |
|---|
Each layer's cross-section times its density; stranded conductors, laid-up cores and helical wires count 2 % longer than the cable. Densities: copper 8.89 and aluminium 2.703 g/cm³ (the values of IEC 60028 and IEC 60889); XLPE 0.92, PE 0.94, PVC 1.45, semicon 1.12, steel 7.85 g/cm³ (usual compound values).