what does romex or nm mean

Romex wiring is a brand name for non-metallic sheathed cable (nm-b) that contains insulated electrical wires bundled together inside a flexible plastic jacket—its the most common type of electrical wiring used inside walls and ceilings of residential homes throughout north america. · romex is the brand name of a nonmetallic (nm) sheathed electrical cable manufactured by southwire. The “nonmetallic” designation refers to the protective sheath that covers the electrical conductors (wires). It is used for nearly all residential electrical devices such as gfci outlets, lights, and wall outlets. The term has become so ubiquitous that people use it generically to refer to any non-metallic (nm) sheathed cable. · non-metallic sheathed cable (nm cable), commonly referred to as romex®, is a popular and versatile wiring solution used in residential and commercial buildings. It is commonly known as “®”, which is the brand that is most widely used. · “ romex ” is actually a brand name for a type of electrical cable manufactured by the southwire company. · romex wiring, or nm electrical cable, is a type of electrical wiring commonly used in residential construction. It consists of insulated conductors wrapped in a non-metallic sheath, which provides a protective layer around the wires while allowing flexibility during installation. Nm is a type of cable that contains insulated conductors enclosed within an overall nonmetallic jacket. It is a type of electrical cable encased in a non-metallic, plastic sheath that is both flexible and durable. · when wiring a house, the type of wire used most often is nm wire or romex wire.

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