Our electrician had PVC coated tie wire and I wonder where he got it

When our current lake cabin was being built, I watched the corporation drag in numerous coils of wire, however i watched as they use stainless steel bar wire to affix the rebar that would make my foundation more durable. I watched them bring in wire coils for the electricity. It surprised me to find that the stainless steel bar wire used to lash the rebar together was basically the same tie wire used in the electrical system, however it was PVC coated… PVC coated tie wire is a tie wire made of plastic coated wire. PVC wire has the core wire of electric galvanized wire with a plastic coating on the outer layer; The inside wire & the PVC coating are combined‌ together, which offer a stronger protective layer & gives longer service life. This creates a PVC coated tie wire with anti-aging, corrosion-resistent, anti-cracking characteristic. PVC coated tie wire has a longer service life than usual galvanized tie wires. It comes a multitude of colors which help them ‌see which wire is tepid & which is not. PVC coated tie wire is mostly used in an environment where great corrosion resistance in a necessity, such in homes or other buildings. It was self-explanatory to see why galvanized tie wires & other tie wires were pressing in the construction of a lake cabin or other buildings. I stood there for the longest time, seeing the corporation & her electrician run wires through the walls. It wasn’t until I recommended they change where they were going to put my fan lights ‌that she asked me to leave. I wanted them all esthetically localed, however she thought she knew better.

Tie wire coils made in USA