Direct Burial Electrical Wire Types

Direct burial cable is built to tolerate heat moisture and other hazards that present themselves when cable is buried underground.

Direct burial electrical wire types.

Individual thhn wire conductors are run through an aluminum interlocked armor. 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. 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. Running through concrete or in other commercial environments.

At wire cable your way we offer a wide range of direct burial cable with various possible applications. Some common codes include thhn xhhw and thw. Direct burial wire and cable are types of electrical service wire that can be placed directly in the ground without needing protection from conduit. Decide how much digging you re prepared to do which determines the type of wire you need to use.

Thhn is the most commonly used wire in conduit and cable trays for services in commercial or industrial applications. Used heavily in commercial electrical work. Electrical cable depth options. 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.

Direct burial cable is cable that can be laid directly into the soil without a surrounding conduit. Local codes usually require that the wire be buried at least 18 inches down. The national electrical code nec has a letter system that makes it easy to quickly identify a wire s capabilities. Below you ll find links to our most popular direct burial cables followed by our categorized full selection.

Direct burial cable refers to cable that is rated and approved for use in underground trench construction according to the national electrical code nec. Applications not to exceed 150 volts. Direct burial cable is a special type of electrical wiring or cable that is designed to be buried in a trench underground. Used for direct burial and suitable for sunlight.

These products can withstand exposure to soil moisture and fungus and are rated for wet dry and damp environments. Romex wire 14 2 romex yellow wire cat6 wire electrical flexible wire outdoor wire casing. For a 6 in deep trench use galvanized rigid metal electrical conduit with individual conductors inside.