Southwire Company, LLC is North America’s leading wire and cable company.  The $8B organization is made up of more than 9,000 team members and partners across the globe who unite as ONE Southwire each and every day to serve each other, their customers, end users and their communities. 

Southwire and Thompson Global provide solutions including building wire and cable, metal-clad cable, utility products, portable and electronic cord products and OEM wire products. However, Southwire is particularly focused on building wire products having acquired many of its competitors over the years, and whom produce cables such THHN, XHHW (XHHW-2/RW90), NM-B (Romex), UF-B, SER and RHH/RHW-2, USE-2.

Building Wire Applications

UL/CSA Building wire and cable is used in the construction of almost every commercial, industrial, and residential property in the world. Most commonly known as branch circuit wiring in homes and businesses, these products carry electrical current to all power applications in a building or dwelling.

UL/CSA Building wire and cable must be sized and installed correctly to keep electricity running. Categories include all types identified in the National Electrical Code^® (NEC), Underwriters Laboratories (UL), CSA Standards, Mexican Electrical Code, and the Association Nacional de Normalización y Certificación del Sector Eléctrico (ANCE) Standards, including:

• Armoured cables
• Flexible metal conduit and liquidtight flexible metal conduit
• Metal-clad cables
• Nonmetallic sheathed cables
• Service entrance cables
• Thermoplastic and thermoset insulated wires and cables

We supply a range of Building Wire cables types such as THHN, THWN, THWN-2, TFFN, TFN, TWEN, XHHW, RHH, RHW, USE-2 and NM-B cable.

Southwire Building Wire