Choosing the right cable is crucial in modern electrical wiring. Whether for residential renovations, commercial buildings, outdoor lighting, or industrial projects, cable safety and durability directly impact system reliability. Today, let's talk about UF-B cable-a professional underground feeder cable designed for both durability and safety. Have you ever wondered what the "B" in UF-B stands for, and why it stands out among other wiring options?
UF-B Cable
UF-B (Underground Feeder-B) cable is designed for direct burial applications. It is ideal for residential and commercial power systems, and it excels in outdoor and underground environments. The cable is engineered to deliver safe and reliable power .
Its compact structure and robust outer jacket resist moisture, UV rays, and corrosion, ensuring long-term reliability. For projects that demand both performance and cost-effectiveness, UF-B cable is a dependable choice, especially when buried underground or exposed to the elements.
Specific Features of UF-B Cable
The "B" in UF-B is not arbitrary-it signifies . Compared to standard UF cables, UF-B delivers higher heat resistance and improved safety features:
- : The insulation withstands up to 90℃.
- : The outer jacket resists UV, moisture, and corrosion.
- : Reliable operation in underground, outdoor, and high-temperature conditions.
, ensuring that every meter of cable performs reliably.

- : Conductors withstand up to 90℃, suitable for high-load operation.
- : Designed for 600V systems, ideal for residential and light commercial applications.
- : UL and CSA certified, with flame-resistant outer jackets.
- : High-conductivity copper conductors offer flexibility and resistance to mechanical damage.
These standards ensure safe, stable power delivery in a wide range of environments.
UF-B vs. Standard UF Cable
UF-B cable represents a significant upgrade over standard UF cable:
| UF-B Cable | ||
|---|---|---|
| 60℃ | 90℃ | |
| UV-resistant, corrosion-resistant | ||
| High-temperature, outdoor, underground | ||
| UL/CSA, flame-retardant |
As shown, UF-B provides superior safety and durability, making it ideal for demanding project conditions.

- : No conduit required.
- : UV and moisture-resistant for long-term performance.
- High-temperature industrial environments: Insulation withstands heavy loads.
- : Reliable power supply for all types of electrical systems.
From large-scale projects to small residential installations, UF-B cable delivers reliable support.
UF-B cables comply with requirements for underground and wet-location installations. Key installation considerations include:
- : NEC standards ensure safe placement.
- : Avoid excessive bending to protect conductors.
- : Use compliant connectors and terminals for electrical safety.
Following regulations and proper installation ensures long-term, safe operation of UF-B cables.
UF-B cable is more than just a cable-it's a guarantee of safety and reliability. Dongguan Greater Wire & Cable Co., Ltd. offers high-quality UF-B WIRE products. No matter the project size, we provide complete services and technical support. Our professional pre-sales and after-sales teams are ready to solve any issues, ensuring your project runs smoothly.
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: +86 135 1078 4550 / +86 136 6257 9592
: manager01@greaterwire.com
Choose UF-B cable-choose safety and efficiency. Let us help your projects stay powered and running smoothly!






















