Direct Burial Electrical Wire Types

Running through concrete or in other commercial environments.

Direct burial electrical wire types. These products can withstand exposure to soil moisture and fungus and are rated for wet dry and damp environments. Direct burial cable refers to cable that is rated and approved for use in underground trench construction according to the national electrical code nec. The national electrical code nec has a letter system that makes it easy to quickly identify a wire s capabilities. For a 6 in deep trench use galvanized rigid metal electrical conduit with individual conductors inside.

Underground wire for a residential circuit usually is installed with underground feeder uf cable which is rated for outdoor use and direct burial such an installation is typical when running a circuit to an outdoor location such as a garage shed or other outbuilding or to a yard light or water feature. Individual thhn wire conductors are run through an aluminum interlocked armor. Direct burial wire and cable are types of electrical service wire that can be placed directly in the ground without needing protection from conduit. Thhn is the most commonly used wire in conduit and cable trays for services in commercial or industrial applications.

Used for direct burial and suitable for sunlight. The individual electrical conducting wires inside the cable are encased in a solid thermoplastic sheath that seals out moisture and protects the conducting wires within. Outdoor wire 12 2 wire southwire uf b outdoor electrical wires direct burial outdoor electrical wires 15 uf wire 14 3 stranded related products 250 ft. Get free shipping on qualified direct burial wire or buy online pick up in store today in the electrical department.

Direct burial cable is built to tolerate heat moisture and other hazards that present themselves when cable is buried underground. Used heavily in commercial electrical work. Decide how much digging you re prepared to do which determines the type of wire you need to use. Underground cable for running electrical power to a remote location can be installed at different depths depending on the type of conduit and type of wire used.

Electrical cable depth options. Direct burial cable is cable that can be laid directly into the soil without a surrounding conduit. Available between 16 and 8 gauge. Direct burial cable is a special type of electrical wiring or cable that is designed to be buried in a trench underground.

Applications not to exceed 150 volts. Local codes usually require that the wire be buried at least 18 inches down. Some common codes include thhn xhhw and thw.