TFFN Wire
TFFN wire stands for Thermoplastic Flexible Fixture Nylon wire and is often used as fixture wire or machine tool wire in various applications. This type of wire is known for its nylon jacket, which provides an extra layer of protection against moisture and oil, making it suitable for both dry locations and some wet locations. However, it is primarily recommended for dry applications due to its specific construction and specifications.
In compliance with the National Electrical Code, TFFN wire is generally used in control circuits and branch circuits. It's commonly found in machine tools, control panels, and other similar applications. While it shares similarities with THHN wire, the main difference lies in their suitability for different environments. THHN wire is often more heat-resistant and can be used in both wet and dry locations, whereas TFFN is typically more limited to dry environments.
Both TFFN and THHN wires are made from thermoplastic material, but TFFN has a more flexible construction. This makes it easier to work with during the installation process, especially in tight or intricate wiring setups. It's commonly available in stranded construction, giving it the ability to flex without breaking, which is essential in machine tool applications where movement might be a factor.
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