Romex (Southwire)

About Romex (Southwire)

Romex is Southwire's flagship brand for residential building wire, best known for its SIMpull® NM-B (nonmetallic-sheathed) cable. Designed primarily for indoor residential wiring including branch circuits for outlets, switches, and other loads, Romex® cables feature copper-only conductors for superior conductivity and corrosion resistance. The SIMpull® jacket technology enables easier, safer handling and installation. Romex cables comply with major safety codes and standards (NEC, CSA, IEC) and are widely recognized for safety, reliability, and convenience in home electrical projects.