The national electrical code nec recommends a maximum voltage drop of 3 percent for individual household circuits known as branch circuits this is a good goal to shoot for when sizing the conductors for an underground cable the following are the maximum lengths of cable you can use while still maintaining a 3 percent voltage drop for the given wire size awg and.
Uf b 8 3 underground electrical wire.
It can also be used for outbuildings such as.
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.
10 3 gray solid cu uf b w g wire model 13059104 view the southwire company 500 ft.
Square d by schneider electric hom612l100scp homeline 100 amp 6 space 12 circuit indoor surface mount main lugs load center with cover 4 8 out of 5 stars 462.
Industrial scientific.
8 3 uf b underground feeder direct earth burial cable.
Sizing the conductors.
Southwire s copper uf b cable is used in applications southwire s copper uf b cable is used in applications that include outside lamp posts pumps and other loads.
Square d by schneider electric hom612l100scp homeline 100 amp 6 space 12 circuit indoor surface mount main lugs load center with cover 4 8 out of 5 stars 472.
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.
Outdoor wire 12 2 wire southwire uf b outdoor electrical wires direct burial outdoor electrical wires 15 uf wire 14 3 stranded.
It can also be used for outbuildings such as.
Both type uf and type uf b cables are available in different common wire sizes also known as gauges and common wire counts.
It needs a conduit where the cable is exposed on the outside of the house and to 18 inches below the ground.
At 24 in deep run direct bury uf b wire cable.
Industrial scientific.
6 3 uf underground feeder direct earth burial cable.
Southwire 250 ft 14 3 uf wire by the roll item 12851 model 13057555.
Underground feeder building wire assortment.