I have been asked what grade of copper is used in Alpha Wire cables.
The Product manager for Alpha Wire has asked me to share that the copper used is electrolytic-tough pitch (ETP) copper.
Alpha Wire Single Conductor Cables (Hook-Up Wire) | Electronic Components Distributor DigiKey
Alpha Wire Multiple Conductor Cables | Electronic Components Distributor DigiKey
Alpha Wire Cables, Wires - Single Conductors | Electronic Components Distributor DigiKey
Alpha Wire Coaxial Cables (RF) | Electronic Components Distributor DigiKey
Alpha Wire Flat Ribbon Cables | Electronic Components Distributor DigiKey
Alpha Wire Modular - Flat Cable | Electronic Components Distributor DigiKey