UL 4703 PV Wire Flexible Stranded Copper PV Cable IEC 62930 UL 4703 Waterproof
UL 4703 PV Wire, Flexible Stranded Copper PV Cable Suitable for Rooftop Solar Installations and Utility Scale Photovoltaic Systems
UL 4703 PV Wire
PRODUCT DESCRIPTION
UL 4703 PV Wire is a photovoltaic wire designed for interconnection wiring in solar energy systems. It is engineered for demanding outdoor applications and provides reliable electrical performance under prolonged exposure to sunlight, moisture and temperature fluctuations.
The cable is suitable for PV modules, solar arrays, inverters and associated DC equipment.
APPLICATIONS
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Solar photovoltaic systems
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PV module interconnections
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Solar panel arrays
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DC wiring
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Inverter connections
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Combiner boxes
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Rooftop solar installations
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Utility-scale photovoltaic systems
STANDARDS
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UL 4703
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UL 44
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NEC requirements where applicable
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RoHS Compliant
TECHNICAL DATA
| Parameter | Specification |
|---|---|
| Conductor | Stranded Tinned Copper |
| Conductor Class | Flexible |
| Insulation | Cross-Linked Polymeric Insulation |
| Rated Voltage | 600 V / 1000 V / 2000 V DC |
| Temperature Rating | -40°C to +90°C |
| Maximum Conductor Temperature | +125°C |
| Flame Resistance | UL Applicable Requirements |
| Sunlight Resistance | Yes |
| Moisture Resistance | Yes |
| Oil Resistance | Application Dependent |
| UV Resistance | Yes |
CONSTRUCTION
Conductor
Stranded annealed copper conductor, normally tinned for improved corrosion resistance and long-term outdoor reliability.
Insulation
Cross-linked polymeric insulation provides excellent dielectric properties, mechanical strength and resistance to environmental exposure.
KEY FEATURES
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UL 4703 photovoltaic wire design
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Flexible construction
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Excellent sunlight resistance
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Suitable for exposed outdoor applications
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High temperature performance
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Good moisture resistance
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Suitable for North American PV installations
AVAILABLE SIZES
Typical AWG sizes:
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18 AWG
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16 AWG
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14 AWG
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12 AWG
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10 AWG
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8 AWG
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6 AWG
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4 AWG
Other sizes are available according to project requirements.
FAQ
Q: What is PV Wire used for?
A: It is primarily used for wiring and interconnection within photovoltaic power systems.
Q: Is UL 4703 PV Wire suitable for outdoor use?
A: Yes. It is designed for photovoltaic applications exposed to sunlight and environmental conditions.
Q: What conductor material is normally used?
A: Stranded copper, commonly tinned copper, is used for flexible PV wiring.
Q: Can it be used in solar inverter systems?
A: Yes, where the voltage, installation method and applicable electrical requirements are satisfied.
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