Medium Voltage Cable: 250_KCMIL
Medium-voltage cable ampacity and physical properties for copper XLPE-insulated cables. Covers MV-90 (90C) and MV-105 (105C) rated cables, 5kV through 35kV class, conductor sizes 1/0 AWG through 1000 kcmil. Ampacity in duct/conduit and direct buried per NEC Table 310.60 / Article 311. Includes insulation thickness, overall diameter, weight, and DC resistance.
| conductor size | voltage class temp | ampacity direct buried A (A) | ampacity duct A (A) | conductor material | dc resistance ohm kft (ohm/kft) | insulation level pct (%) | insulation thickness mils (mils) | insulation type | notes | overall diameter in (in) | temperature rating C (C) | voltage class | weight lb kft (lb/kft) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 250_KCMIL | 15KV_90C | 360 | 320 | copper | 0.0535 | 100 | 260 | XLPE | 15kV class | 1.43 | 90 | 15KV | 1,040 |
| 250_KCMIL | 25KV_90C | 345 | 300 | copper | 0.0535 | 100 | 345 | XLPE | 25kV class | 1.61 | 90 | 25KV | 1,190 |
| 250_KCMIL | 35KV_90C | 325 | 285 | copper | 0.0535 | 100 | 420 | XLPE | 35kV class | 1.77 | 90 | 35KV | 1,355 |
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