I have had good luck with this stuff, too: runs about 8¢/foot. A little thicker than Mel's wire at .0475" and 11 strand.
https://www.amazon.com/StrivedayTM-Flexible-Silicone-electronic-electrics/dp/B01KQ2JNLI/ref=pd_sim_60_5?_encoding=UTF8&pd_rd_i=B01KQ2JNLI&pd_rd_r=BA6BDKCE8438DSJ7FHDA&pd_rd_w=U8fRg&pd_rd_wg=TyvLe&refRID=BA6BDKCE8438DSJ7FHDA&th=1
32.8' on each spool. I haven't counted eleven strands, it is very flexible.
Five other colors here:
https://www.amazon.com/StrivedayTM-Flexible-Silicone-electronic-electrics/dp/B01KQ2JPY8/ref=pd_sim_60_5?_encoding=UTF8&pd_rd_i=B01KQ2JNLI&pd_rd_r=BA6BDKCE8438DSJ7FHDA&pd_rd_w=U8fRg&pd_rd_wg=TyvLe&refRID=BA6BDKCE8438DSJ7FHDA&th=1
I keep some of the Digitrax wire on hand as well. It's all about choices!
https://www.modeltrainstuff.com/Digitrax-DECODERWIRE-30AWG-Decoder-Wire-p/dig-decoderwire.htm
Options—
Thanks, Ed
Mel,
Can you please mike the OD on that stuff, please.
Looks interesting!
Ed