Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> Use 18 AWG 200 degree C. hi-temp wire. Much better insulation for the high voltage. Dr. Resonance Resonance Research Corporation E11870 Shadylane Rd. Baraboo WI 53913 > > I was wondering if I could use #18 gauge no voltage coated wire for my > air-core transformer windings? > Please let me know and i love your website. > > gfortclark