3 AWG 19-Stranded THHN Black Copper Building Wire - 50ft Cut For Electrical Applications

About This Product

If you're working on electrical projects, this 3 AWG THHN building wire is seriously worth knowing about. We're talking about a 50-foot cut of black copper wire that's perfect for a bunch of different applications - from general construction to rewiring projects. The wire has 19 strands which makes it super flexible and easier to work with compared to solid core wires. It's rated THHN/THWN-2, which basically means you can use it in both wet and dry locations, and it can handle temperatures up to 90°C. The technical specs are pretty impressive - the cross-section area is 26.7mm² with an outside diameter of about 8.74mm. The ampacity ratings are 85 amps at 60°C, 100 amps at 75°C, and 110 amps at 90°C, so it can handle some serious power. What I appreciate is the construction - you've got PVC insulation that's heat and moisture resistant, plus a nylon jacket that's tough enough to resist abrasion, moisture, gasoline, and oil. The copper is annealed too, which means it's soft and easier to bend into place without cracking. This wire is UL listed, CSA certified, and RoHS compliant, so you know it meets all the important safety standards. Whether you're an electrician working on commercial projects or a DIY enthusiast tackling home improvements, this 3 AWG wire gives you that perfect balance of flexibility and current-carrying capacity. The 50-foot length is usually enough for most medium-sized jobs, and the black color makes it easy to identify in your electrical panels. Seriously, if you need reliable building wire that won't let you down, this THHN copper wire is definitely up to the task!