On Friday, March 8, 2019 at 12:03:28 PM UTC-5, Leon wrote:
I saw this and was wondering how long it has been around and how does it
work. What is it made out of to deliver electricity?

https://www.lowesforpros.com/pd/Sout...e-Roll/1193433

What am I missing? Are they actually talking about the casing? The
casing is not wire...

See he

https://www.doityourself.com/stry/nm...-armored-cable