What does UF-B mean?

What does UF-B mean?

Underground Feeder
‚ÄčType UF-B (Underground Feeder and Branch-Circuit Cable) is generally used in underground, direct burial installations as branch circuits and/or feeders to outside floodlights, sewer pumps and motors, electric gates and other loads typically supplied from a distribution system.

What is the difference between NM B and UF-B wire?

The primary difference between standard NM and underground feeder (UF) cable is in the cable construction. Standard NM cable contains wires that are wrapped with paper and a relatively loose plastic sheath. UF cable has wires that are completely encased in solid plastic.

Can you use UF-B above ground?

The use of UF cable on the exterior surface of buildings or structures is permitted by Sec. 225.10(18) and Sec. If the cable is exposed to physical damage it must be protected in accordance with Sec. 225.20 and the requirements for service cables in Sec.

Can UF-B WIRE be put in conduit?

Running UF cable through metal or PVC conduit. Although not commonly done, it is allowable to run UF cable (but NOT NM) cable through metal or PVC conduit in an underground application. Most electricians prefer to fish individual waterproof THWN conductors through conduit, simply because it is easier.

Can UF-B WIRE be exposed to sunlight?

Type UF wire is sunlight resistant and rated for direct burial installation.

Does UF-B need to be in conduit?

Bury in the Ground: Dig 24 inches -deep, run direct-bury UF-B wire cable. There’s one restriction: It needs a conduit where the cable is exposed on the outside of the house and to 18 inches below the ground.

Can you run UF B in conduit?

Can I bury UF B cable?

UF-B may be directly buried or installed where exposed to sunlight. When used as an NM cable it must comply with the requirements in NEC 2008 and NEC 2011 Article 334.

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