
Understanding the differences can help you decide. You may be having trouble choosing between Romex® and other common cable types.

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Local building codes also differ from state to state, so check with the building code department in your area to get your project approved before you run Romex® wire.īuy Romex® Wire here Romex® NM-B Wire Specifications The cables can be sensitive and deteriorate quickly outdoors since they do not have sufficient protection to stand up to exposure to the elements. Before beginning a wiring project, ensure you comply with regulations from the National Electric Code (NEC). Contractors often use these wires to connect electrical panels to appliances and lights. Romex® cables typically consist of multiple THHN wires bundled together and sheathed in polyvinyl chloride (PVC), making them suitable for indoor applications such as garages, interior walls and surface wiring above ground. However, you should only use the name Romex® to refer to Southwire’s cables with the Romex® brand name. Many electricians and consumers also use the name “Romex®” generically to mean any wire that is NM-sheathed - similarly to how some people erroneously use “Kleenex” to mean any brand of facial tissue. Romex® is also called SIMpull®, another Southerwire trademark that refers specifically to their jacketing, which makes pulling wire through conduit much easier. The “NM-B” code refers to the wire’s nonmetallic (NM) sheath and primary use in branch (B) wiring.

Romex® is a product from Southwire, a reputable cable and wire provider. This wide-reaching wire, which can be bought in many different sizes and configurations, features a distinctive jacket that allows it to be pulled easily through conduit. Romex® is an electrical cable suitable for various indoor wiring uses, primarily for small businesses and homes. This guide explains the differences between THHN wire and Romex®. To understand which wire is best for your project, you must know the capabilities of each wire type. However, there are notable differences between the two.

We’ve been family-owned and -operated since 1988, and we prioritize superior customer service and product support for our clients.īrowse our offerings and order what you need today.THHN and Romex® are two of the most commonly used types of electrical wire. We offer wire, cable and other critical projects for your operations while staying compliant and maximizing reliability. When you need a trusted wire product for your operating requirements, turn to WesBell Electronics for the right solutions. Choose WesBell for High-Performance THHN 6 AWG Wire Please reach out to our team to discuss our warranty offerings for this THHN wire product.

We offer trusted warranties for select products to ensure you get the best value from your purchase. You can use this solution for multiple requirements, as it offers versatile performance and reliability in many environments. Your wire must be approved for and compliant with industry regulations for your intended applications. The THHN wire uses these materials to maximize performance and durability for various uses:
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We are ISO 9001/2015 certified to ensure we deliver optimum quality for your needs. Our expert team can consult with you on what you need for a job, and we can also work with you to meet project specifications. This product is constructed and designed to be fully compliant with industry requirements.
