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By Certification
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By Certification
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UL4703 Single Core Certificate
Jan 13,2025
- Period:
- Jan 10,2024 - Jan 10,2100
- No.:
- UL-US-2401151-0
- Certification bodies:
- UL LLC.
The UL 4703 certification is a crucial standard for photovoltaic (PV) cables used in solar power installations. This certification, developed by Underwriters Laboratories (UL), ensures that PV cables meet specific requirements for durability, safety, and reliability, making them suitable for the demanding conditions solar systems often face. A robust UL 4703 certification is essential for solar power systems, as these cables serve as the backbone of electrical connectivity between PV panels, inverters, and other system components.
UL 4703 is a certification standard specifically designed for photovoltaic wires and cables. Solar power systems require specialized wiring due to their exposure to extreme outdoor conditions, including sunlight, high and low temperatures, moisture, and sometimes salt spray or chemicals. UL 4703 evaluates PV cables for their ability to withstand these stresses and ensures that they can safely handle the DC voltage levels associated with solar installations.
Cables that meet UL 4703 certification are constructed with insulation and jacket materials that provide high durability, excellent electrical insulation, and protection against degradation from environmental factors. These characteristics are vital for maintaining system efficiency, safety, and longevity, as PV cables often remain in service for decades.
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