TEMCo 20 AWG Copper Magnet Wire - 3.5 lb 1102 ft 155&deg;C Magnetic Coil Red Average Wire Diameter (in.): 0.0346 (with insulation), 0.032 (no insulation) Double (Heavy) Build enamel, Polyurethane base coat, Polyamide overcoat. Shape: Solid Round Copper (99.9% pure). NOTE: Both ends of wire are accessible. Approvals: NEMA MW 80-C, IEC Designation (60317-21), UL Recognized (File: E32638) Applications include but not limited to: Appliance motors, relays, timer and clock coils, encapsulated coils, arts & crafts.