The M-21 Super unlimited power cord has 441 wires, 44 layers of insulation, 8 separate shields altogether. It's made using military-grade teflon insulated, silver-plated, oxygen-Free copper wire.
It has seven silver plated copper "internal" shields - a separate shield for each "bundle" of three wires- with an additional layer of Teflon insulation over each of the seven shields.

It's over 1/2 inch overall cord diameter. AWG (gauge) calculation: 21x6x30AWG=9 gauge for the AC (i.e. two runs 9 AWG each); 21x9x30 AWG=7.5 gauge for the ground (shields are not included!)

Arrow Hart 6266 HG hospital-grade (green dot) AC plug, rated 15A/125V. Watt'Gate 350 "Audio Grade" gold-plated IEC recepticle, rated 15A/125V.