Product Specification: 600/2000V UL-4703 12AWG PV Wire & Cable

Product Specification: 600/2000V UL-4703 12AWG PV Wire & Cable

Compliant with UL 4703 | NEC 690 | RoHS

1. General Specifications

  • Model: PV Wire (UL-4703 Listed)
  • Rated Voltage:
    • 600V (Standard) / 2000V (High-Voltage PV Systems)
  • Conductor:
    • Size: 12 AWG
    • Material: Bare Copper or Tinned Copper
    • Structure: Stranded (Class B or C Flexible)
    • Stranding: Typically 65/0.16mm (19/0.23mm for thicker strands)
    • DC Resistance: ≤ 5.21 Ω/km at 20°C

2. Insulation & Jacket

  • Insulation:
    • Material: XLPE (Cross-Linked Polyethylene)
    • Thickness: 0.76mm (30 mils) nominal
    • Color: Standard Black (UV-stabilized)
  • Optional Jacket:
    • Material: UV-Resistant PVC or XLPO
    • Temperature Rating: -40°C to 90°C

3. Electrical Properties

  • Temperature Rating:
    • 90°C (Wet or Dry) / 105°C (Dry, some variants)
    • Short-Circuit Rating: 200°C
  • Voltage Test:
    • AC: 2.5kV for 5 minutes (UL 4703 compliant)
  • Ampacity:
    • 30A (90°C in free air, per NEC 690.8)

4. Mechanical & Environmental

  • Outer Diameter: ~3.5mm (varies by manufacturer)
  • Bending Radius: 5× cable OD (fixed installation)
  • Flame Rating:
    • UL 4703 Flame Test (Vertical flame retardant)
  • UV Resistance: 1000+ hours (UL 4703 tested)
  • Weather Resistance:
    • Sunlight Resistant (UL 4703 and NEC 300.5 compliant)
    • Operating Range: -40°C to +90°C

5. Certifications & Standards

  • Primary StandardUL 4703 (Photovoltaic Wire)
  • Additional Compliance:
    • NEC 690 (US National Electrical Code)
    • RoHS (Restriction of Hazardous Substances)
    • CSA Certified (Canada, optional)

6. Packaging

  • Standard Lengths: 500ft, 1000ft coils (or custom)
  • Reel Material: Wooden or plastic spools

7. Applications

  • Solar panel interconnections (DC side)
  • PV combiners to inverters
  • Commercial/utility-scale solar farms

Key Advantages

✔ UL-Listed for Safety (Full compliance with UL 4703)
✔ Dual Voltage Rating (600V & 2000V for flexibility)
✔ UV & Weatherproof (Outdoor use without conduit)
✔ High Ampacity (30A free-air rating)


Comparison with EU Cables

Feature UL-4703 12AWG PV Wire EU PV1-F 4mm²
Voltage 600V/2000V DC 1kV AC/1.5kV DC
Conductor 12 AWG (3.31mm²) 4mm²
Standard UL 4703 EN 50618
Market North America Europe/Global

For cut sheets or UL certification files, contact the manufacturer.