It needs a conduit where the cable is exposed on the outside of the house and to 18 inches below the ground.
Uf b electrical cable.
Outdoor wire 12 2 wire southwire uf b outdoor electrical wires direct burial outdoor electrical wires 15 uf wire 14 3 stranded.
Both type uf and type uf b cables are available in different common wire sizes also known as gauges and common wire counts.
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How to install uf underground feeder cable for electrical wiring.
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On the other hand uf cable utilizes solid thermoplastic exterior.
Burying the cable 24 inches requires more digging so this method only makes sense if you have easy to dig soil or are renting a trench digger.
U nderground f eeder and b ranch circuit wiring cable applications.
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Although nm cable is covered with a flexible thermoplastic covering on the outside of the wiring the strands of wire themselves are usually protected with little more than a paper wrapper.
Uf b wire s formal name refers to its uses.
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Out of an underground trench that is 24 inches deep.
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The most significant difference between nm cable and uf electric wire is the type of sheathing that is used.
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The cable can also be used as direct burial cable.
Where a pvc conduit may sleeve the uf cable as it leads up out of the ground to an electrical box.
What does ufb mean.
For example a 12 gauge wire with a hot and a neutral black and white wire and a ground would be considered a 12 2 uf wire cable.
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Uf b cable is typically used as an underground feeder cable to distribute power from an existing building to outdoor lighting fixtures pumps outbuildings and other outdoor equipment.
Uf cable should not be installed into conduit with the exception of short distances such as the following.