Building Wire & Cable
Type L2 Central Office Cable
Heavy-duty tinned copper central office power cable with low smoke zero halogen XLPO insulation, engineered for AC and DC power distribution in telecommunications facilities.
Construction
What it's built from
- Conductor
- Class I stranded tinned copper, mylar taped
- Insulation
- LSZH cross-linked polyolefin (XLPO), 90°C
- Temperature rating
- 90°C dry, 75°C wet, 250°C short circuit
- Colours
- Red, blue, grey, green, black to RAL references
Sizes & ratings
Selected sizes — nominal values
| Size AWG/kcmil | Strands | Cond. dia. (in) | Insulation (mils) | OD (in) | Weight (lbs/kft) | Max DC resistance (Ω/kft) | Ampacity (A) |
|---|---|---|---|---|---|---|---|
| 14 | 41 | 0.072 | 45 | 0.179 | 26 | 2.82 | 25 |
| 12 | 65 | 0.091 | 45 | 0.199 | 35 | 1.77 | 30 |
| 10 | 105 | 0.116 | 45 | 0.226 | 50 | 1.11 | 40 |
| 8 | 41 | 0.153 | 60 | 0.280 | 85 | 0.679 | 55 |
| 6 | 65 | 0.188 | 60 | 0.315 | 122 | 0.436 | 75 |
| 2 | 168 | 0.305 | 60 | 0.430 | 256 | 0.172 | 130 |
| 1/0 | 266 | 0.392 | 80 | 0.560 | 434 | 0.109 | 170 |
| 4/0 | 532 | 0.577 | 80 | 0.745 | 832 | 0.0546 | 260 |
| 500 | 1221 | 0.890 | 95 | 1.090 | 1,810 | 0.0234 | 430 |
| 750 | 1850 | 1.094 | 110 | 1.325 | 2,680 | 0.0157 | 535 |
Ampacity based on NEC Table 310.15(B)(16) for no more than three current-carrying conductors at 90°C conductor and 30°C ambient temperature. Full size range in the datasheet.
Applications
Where it is used
- 01
Telecommunications central office power distribution
- 02
AC and DC feeds in conduit or cable tray
- 03
Facilities requiring low smoke zero halogen materials
- 04
Cable tray use in 1/0 AWG and larger
Standards
Referenced specifications
- UL 44
- UL 1685 ST1
- UL VW-1
- IEEE 1202 FT4
- Telcordia GR-347-CORE
- CSA C22.2 No. 38 RW90
Configurations
Available variants
- 14 AWG to 750 kcmil
- Five standard colours
- Sunlight resistance on request
- FT4 / CT rated 1/0 and larger
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