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THHN wire means, “thermoplastic high-heat nylon,” which refers to components and characteristics of the wire’s jacket and insulation. Its capabilities and features have made it one of the most popular construction wires, and it passes most building codes.
What is THHN Wire? Thermoplastic High Heat-resistant Nylon-coated wire (THHN) is a single conductor wire with PVC insulation and a nylon jacket. It’s commonly used in conduit as electrical wire for buildings. Its heat and oil resistance makes THHN a suitable wire for appliances and machine tools.
THHN (Thermoplastic High Heat-resistant Nylon-coated) wire is designed with a PVC (polyvinyl chloride) insulated nylon sheath. Most THHN building wire comes with the dual rating THHN/THWN, meaning it is usable in both wet and dry conditions, as well as both indoor and outdoor use.
THHN wire specifies the wire types with the insulation of thermoplastic material, often used for dry and moist locations for electrical cables. THHN wire is common in commercial and residential environments.
Thermoplastic high-heat resistant nylon-coated wire, or THHN, is a common wire used for connecting branch circuits and appliances. Its counterpart is called THWN (or THWN-2).
THHN wire is a type of electrical wire commonly used in buildings and construction. It’s known for being tough and able to withstand high temperatures. The letters THHN stand for: T: Thermoplastic. H: Heat-resistant. H: High-temperature.
Thermoplastic high heat nylon (THHN) wire is a single conductor general-purpose building and hook-up wire. The first letter T shows the insulation is a thermoplastic material made from polyvinyl chloride (PVC).
Thermoplastic high-heat-resistant nylon-coated wires (THHN) cannot exceed 167 degrees Fahrenheit in moist settings. However, THWN wires are suitable for wet and dry conditions and are rated to withstand 194 degrees Fahrenheit. Dual-rated cables work as both THHN and THWN wires with superior heat and moisture resistance.
THHN wire stands for “Thermoplastic High Heat-resistant Nylon-coated,” signifying its key attributes. It offers durability, heat resistance, and a smooth surface for easy installation.
THHN is the abbreviation for Thermoplastic High Heat-Resistant Nylon. This building wire is resistant to gasoline, oil, and abrasion. When we talk about a building wire we tend to be referring to the wires that are responsible for carrying electrical current within the building.