UL4703 Photovoltaic Cable Solar PV DC Wire 2000V
UL4703 Photovoltaic Cable Solar PV DC Wire 2000V is specially designed for solar power systems. It is widely used for power transmission between solar panels, inverters, combiner boxes, and grid-connected photovoltaic systems. With excellent resistance to high temperature, UV radiation, aging, and corrosion, this PV cable ensures reliable performance in harsh outdoor environments.
Application
Photovoltaic cables are suitable for utility-scale ground-mounted solar farms, commercial and industrial rooftop systems, distributed PV installations, and agrivoltaic projects. As a critical component in photovoltaic systems, they provide safe, efficient, and long-term energy transmission for solar power applications.
Structure
| Conductor | Tinned Copper, compliant with IEC 60228 Class 5 |
|---|---|
| Insulation | Low-smoke, halogen-free, flame-retardant irradiated polyolefin |
| Outer Sheath | Low-smoke, halogen-free, flame-retardant irradiated polyolefin |
| Sheath Color | Black / Red |
Key Features
- Designed for photovoltaic DC power transmission
- Tinned copper conductor helps protect against oxidation and blackening
- Soft copper conductor improves flexibility and simplifies installation
- Low-smoke, halogen-free, flame-retardant insulation and sheath
- Excellent resistance to UV radiation, aging, corrosion, acid, alkali, and water
- Reliable performance in harsh outdoor environments
- Long service life of 25 years or more
Standard / Certification
| Standard | UL 4703 |
|---|---|
| Certification | TUV / EN / UL / CQC |
Characteristic
| Rated Voltage | DC 1.5kV / AC 0.6/1kV |
|---|---|
| Test Voltage | 6000V |
| Operating Temperature | -40℃ to +125℃ |
| Short Circuit Temperature | 280℃ / 5s |
| Bending Radius | D<8mm: 4D; D≥8mm: 6D |
| Service Life | ≥25 Years |
Technical Parameters
| Spec | Construction | Voltage | Insulation Thickness (mm) |
Sheath Thickness (mm) |
Outer Diameter (mm) |
Weight (kg/km) |
|---|---|---|---|---|---|---|
| 1x14AWG | 361/0.3 | 1000/2000V | 1.05 | 0.76 | 5.51 | 44.5 |
| 1x12AWG | 525/0.3 | 1000/2000V | 1.05 | 0.76 | 6.04 | 59.8 |
| 1x10AWG | 720/0.3 | 1000/2000V | 1.05 | 0.76 | 6.74 | 84.6 |
| 1x8AWG | 988/0.3 | 1000/2000V | 1.25 | 0.76 | 7.92 | 124.4 |
| 1x6AWG | 1349/0.3 | 1000/2000V | 1.25 | 1.14 | 9.68 | 191.0 |
| 1x4AWG | 1691/0.3 | 1000/2000V | 1.25 | 1.14 | 10.89 | 271.4 |
Material Advantages
- Tinned Copper Conductor: Protects copper wire from oxidation and blackening in high-temperature and humid conditions.
- Soft Copper Conductor: Smaller diameter strands improve bending performance and flexibility.
- Low-smoke Halogen-free Material: Provides flame-retardant performance and temperature resistance up to 125℃.
- Excellent Heat Shrinkage: Helps maintain solar cable safety and long-term stability.
- Low Temperature Resistance: Performs reliably from -40℃ to +125℃ and resists cracking in extreme conditions.
- Acid and Alkali Water Resistance: Suitable for harsh outdoor environments and prolonged exposure.
- Excellent UV Resistance: Designed for long service life in outdoor photovoltaic applications.
Inquiry
Looking for UL4703 photovoltaic cable solar PV DC wire 2000V for your solar project? Contact us for specifications, samples, and quotation.







