The insulation is made from modified Polyurethane with a polyamide overcoat, which protects the coiled wire from short-circuiting.
Magnet wire is copper wire with a thin layer of insulation, and it is used in a variety of applications including transformers, wound coils, motors, solenoids, and instruments.Magnet Wire, Heavy Build Enameled Copper Wire, 29 AWG, 4 oz, 616' Length, 0. This magnet wire meets the NEMA MW-80-C standard for operating temperature (155°C/311°F) and insulation makeup..