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Can I use Thhn instead of Romex?
What is Romex Wire? Romex wire is made out of two or three THHN wires combined with a grounding bare copper wire. Like the THHN wires, Romex wire can’t be used outside because of its minimal PVC jacket protection.
What is Thhn wire suitable for?
THHN (Thermoplastic High Heat-Resistance Nylon coated) is a cost-effective building wire that is typically used for carrying electrical currents between buildings and external power sources, signaling, control wiring, machine tools, and automation systems.
Can Thhn wire be used for outlets?
THHN wire is use to run power from your electrical box to your outlets and lights within your home. Even though THHN wires can be used outdoors due to the insulation protection the thin PVC jacket can still be penetrated affecting the bare copper ground wire.
What is Romex wire used for?
Romex is used for most lighting and outlet circuits in your home. Romex will be labeled with “12-2” or “12-3”. The first number indicates the gauge of the wire. You choices are typically 10, 12, or 14 gauge.
Is Thhn or Romex cheaper?
But for today, right now on the Home Depot web site, just as a reference, 2×250′ 12-2 Romex is $176.00, and 3×500′ #12 THHN is $171.00. They sell a lot more Romex, so you get that sheath pretty cheap. Some places don’t sell much THHN and don’t pay much attention to their pricing.
What’s the difference between Thhn and THWN wire?
THHN stands for Thermoplastic High Heat-resistant Nylon-coated. THWN wire is the same, but the “W” stands for water-resistant. The main difference between these two standards is their maximum temperature in wet locations.
Why is Romex wire so expensive?
These price increases are due to factors such as China’s economic recovery from the pandemic, sustainable green energy stimuluses, and supply disruptions. China’s rising industrial production along with aggressive sustainable energy initiatives accredits the country to being the highest consumer of copper in the world.
Why is Romex so expensive now?