Home / Product / RU 90 Solar PV Cable
The RU90 solar wire provides exceptional flexibility and reliable power transmission for indoor and protected outdoor photovoltaic setups. Trusted by North American contractors, its smooth XLPE insulation ensures easy pulling through conduits while maintaining uncompromised electrical integrity.
Unlike its RWU90 counterpart, the RU90 cable is optimized for dry and damp locations. It is highly recommended for routing power from the roof array down to indoor inverters, battery storage systems, and within electrical raceways or protective conduits in solar installations.
-CSA C22.2 compliant, RoHS.
| Component | Material | Type/Properties | Size/Details |
|---|---|---|---|
| Conductor | Copper (bare or tinned) or aluminum | Stranded (Class B or finer, ASTM B8 for copper, ASTM B231 for aluminum) | 18 AWG to 1000 kcmil |
| Insulation | Cross-linked polyethylene (XLPE) | UV-resistant, moisture-resistant, withstands -40°C to 90°C | Complies with CSA C22.2 No. 271 (rated for 600V, 1000V, 2000V) |
| Jacket | Optional: Sunlight-resistant XLPE or PVC | Enhances abrasion, chemical, and sunlight resistance; marked “SUN RES” | Thin protective layer (if present) |
| Markings | Printed on cable | “RPVU90,” voltage rating (e.g., 2000V), “SUN RES,” “DIR BUR,” CSA certification marks | For compliance and identification |
| Size (AWG/Kcmil) | Conductor | Insulation Thickness | Approx O.D. | Weight/Km | Weight/Km | Max. DC resistance at 20 C ) | Max. DC resistance at 20 C ) | |
| Nos of strands(CU) | Nos of strands(AL) | mm | mm | kgs(CU) | kgs(AL) | Ω/km(CU) | Ω/km(AL) | |
| 14 | 7 | / | 1.52 | 4.9 | 35 | / | 8.62 | 14.1 |
| 12 | 7 | / | 1.52 | 5.3 | 48 | 46 | 5.43 | 8.88 |
| 10 | 7 | / | 1.52 | 5.9 | 69 | 56 | 3.409 | 5.589 |
| 8 | 7 | 7 | 2.03 | 7.7 | 112 | 80 | 2.144 | 3.515 |
| 6 | 7 | 7 | 2.03 | 8.7 | 160 | 102 | 1.348 | 2.211 |
| 4 | 7 | 7 | 2.03 | 9.9 | 244 | 135 | 0.8481 | 1.390 |
| 2 | 7 | 7 | 2.03 | 11.4 | 362 | 183 | 0.5335 | 0.8745 |
| 1/0 | 19 | 18 | 2.41 | 14.2 | 576 | 286 | 0.3354 | 0.5498 |
| 2/0 | 19 | 18 | 2.41 | 15.4 | 716 | 337 | 0.2660 | 0.4361 |
| 3/0 | 19 | 19 | 2.41 | 16.5 | 876 | 400 | 0.2110 | 0.3459 |
| 4/0 | 19 | 19 | 2.41 | 18.0 | 1073 | 477 | 0.1673 | 0.2743 |
| 250 | 37 | 36 | 2.79 | 20.1 | 1321 | 579 | 0.1416 | 0.2322 |
| 350 | 37 | 36 | 2.79 | 22.7 | 1753 | 750 | 0.1011 | 0.1659 |
| 400 | 37 | 36 | 2.79 | 23.7 | 2039 | 836 | 0.08851 | 0.1450 |
| 500 | 37 | 36 | 2.79 | 26.0 | 2520 | 1028 | 0.07080 | 0.1161 |
| 750 | 61 | 58 | 3.18 | 31.3 | 3745 | 1463 | 0.04721 | 0.07738 |
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