1/2/2024 0 Comments Thwn 2 wirePlease speak to one of our industry experts for more information. Weighing the differences between THHN/THWN-2 & XHHW/XHHW-2 building wire When it comes to building wire, two of the most common and popular choices for electricians, engineers & homeowners are THHN and XHHW (or the newer and improved THWN/THWN-2 and XHHW-2). Support with specification and additional electrical characteristics are available on request. THHN is more heat-resistant than THWN, and THWN is more moisture-resistant. When comparing THHN versus THWN wires, your decision may depend on where you plan to use the wire you buy. It can withstand heat up to 194 degrees Fahrenheit, or 90 degrees Celsius. They can be used in both wet and dry locations but are not suitable for immersion or submersion. Similarly, THWN-2 wire has the advantage of a higher temperature rating. The cables are approved for direct burial where no risk of mechanical damage, and can be installed externally as the Special PVC sheathing offers UV resistance. The summary of the terms meaning is that it is 90C rated in both wet and dry locations, and has the nylon outer jacket. Depending on the installation environment, there are screened and unscreened variants, the former being an aluminium tape with tinned copper drain wire.Īvailable in multicore configurations up to 50 cores and in sizes AWG10, AWG12 and AWG14, the THHN/THWN-2 cables are suitable for installation in tray, wire ways, cable ducts, conduits and even as aerial cables when supported by messenger wires. Type THHN-THWN-2 is permitted for new construction or rewiring for 600-volt. Type THHN/THWN-2 building wire is intended for general purpose applications as defined by the National Electrical Code (NEC). The THHN/THWN-2 cable is classified as suitable for Class 1 Division 2 Hazardous Areas and offers protection from both aliphatic and aromatic hydrocarbons. Enter the desired footage in the QTY box. Both the screened and unscreened cables have a black PVC outer sheath. THHN referencing the Nylon coating and the THWN-2 referring to the 90 oC PVC used. Applications: 6 AWG THHN/THWN-2 building wire is intended for general purpose applications as defined by the National Electrical. THHN/THWN-2 Wire Connexion Vendor THHN-CU-12-STR-BLK/WHT-500FT Striped Stranded Copper THHN Wire. THHN/THWN-2 600V cables have an insulation layer of Nylon and Flame Retardant Polyvinyl Chloride. Company wide: 1,655,200 in stock Add to Cart. The THHN/THWN-2 Cables are designed with the Oil, Gas and Petrochemical industry in mind. 12 AWG THHN/THWN-2 Stranded Copper, 600 volts, Black, 500 foot reel Item : 0062606 CAT : 12THHNCSTRBLAX500 UPC: 048243229000 Category: 12 AWG Stranded Copper THHN 0.17 FT.
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