Login | Sign Up
TechSideline

All Hokie, All the Time. Period. Presented by First Bank & Trust Company

The Lounge
◀ ▶
J
Joined: 01/21/2013
Posts: 5,629
Likes: 7,006
jdkhokie
Subscriber

The lower the number the bigger the diameter of the wire. 0.204307 in.

is the diameter. It will carry a larger amp loads for HVAC Units. As electricity travels it will lose current which is how fast the electron is traveling similar how fast water is moving in a river. ** Edited by jdkhokie at 1/21/2026, 9:48:16 AM
Posted: 01/21/2026 at 09:47 AM ET
(In response to this post by Hurley09)

Thread Replies (20)

Full Thread →
Electricians, please explain #4 gauge wire to me like I'm a big dumb idiot.
Hurley09 • 01/21/26 09:15 AM ET
Make sure you get it all on video**
Brown Water • 01/21/26 11:34 AM ET
as a kid he always dreamed of being a conductor **
bigbadbird • 01/21/26 02:23 PM ET
He was a lightning rod for attention.**
Spud • 01/21/26 02:42 PM ET
120 will shock you, 240 will kill you. Hire an electrician.**
Galenahokie • 01/21/26 11:21 AM ET
^^^ THIS !! ^^^**
PhotoHokieNC • 01/21/26 01:36 PM ET
220, 221, Whatever it takes.**
Tank • 01/21/26 10:55 AM ET
Recommend checking out McMaster-Car
EDGEMAN • 01/21/26 09:58 AM ET
Yeah, 4ga romex is probably something you'll need to get from an electrical
Tafkam Hokie • 01/21/26 11:48 AM ET
Not an electrician, but dumb enough to do this kind of stuff myself...
MP4VT2004 • 01/21/26 09:57 AM ET
Late to your post, but I'm thinking he needs one red and one black for the
PWR2LZ • 01/21/26 10:33 PM ET
In a perfect world, absolutely. My suggestion was based on the fact that...
MP4VT2004 • 01/22/26 08:26 AM ET
Cool, thx for the link! I need to buy some of that tape. I have an account
PWR2LZ • 01/22/26 10:18 PM ET
Also, according to this conduit fill table, you will need a 1" flex conduit**
MP4VT2004 • 01/21/26 10:02 AM ET
How about a 4" conduit, to allow for expansion?
EDGEMAN • 01/21/26 10:06 AM ET
4" would be excessive, ha. I agree in principle, but...
MP4VT2004 • 01/21/26 10:16 AM ET
Would have suggested 5" conduit, but it wasn't listed...lol**
EDGEMAN • 01/21/26 10:27 AM ET
i would say acquiring the right wire being the big hurdle might indicate
bigbadbird • 01/21/26 09:52 AM ET
The lower the number the bigger the diameter of the wire. 0.204307 in. ◄
jdkhokie • 01/21/26 09:47 AM ET
Both self deprecating but with a good DIY ability and attitude. I'm rooting
BG Hokie • 01/21/26 09:34 AM ET
Hurley was fun until he crossed the wires. Pooooor Hurley...**
Beerman • 01/21/26 09:37 AM ET