... ,220 3.Enamel types: PEW, UEW, EIW,AIW 4.certification: ISO,UL,SGS,RoHS Enamelled aluminum round wire ... rotor winding, monitor deflection coil, degaussing coil and others.4.Used in electrical tools, ballasts, automotive electronics, refrigerator ... RequirementTest ResultAppearancebright and clean, Uniform color,OkOverall Diametermm<4.7374.735Conductor Diametermm±0.0464.608Thickness of insulation filmmm ...