The copper used to draw the wires conforms to the following standards:

ASTM B49-98e1 “Standard Specification for Copper Rod Drawing Stock for Electrical Purposes”

ASTM B115-00 “Standard Specification for Electrolytic Cathode Copper”

The insulation on the magnet wires is confirmed by tests in the following:

ASTM D2307-95 “Standard Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire”