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Magnet wire is copper wire with a thin layer of insulation, and is used in a variety of applications including transformers, wound coils, motors, solenoids, and instruments. Raw copper is drawn to meet specific Size requirements based on the National electrical manufacturers Association (NEMA) standards. This magnet wire meets the NEMA mw-80-c standard for operating temperature (155°c/311°f) and insulation makeup. The insulation is made from modified polyurethane with a polyimide overcoat, and protects the coiled wire from short-circuiting.