They do typically get VERY hot but don't know about actually glowing red. You know those older portable bathroom heaters glow red, why? They are basically resistors. As in: A coiled element array. Just inspect the switch and it's coils to see their solder joints and if they are supposed to be separate, coils not touching. I agree with Rusty Rod and Jon's assessment.
Motor possibly dragging, squirrel cage dragging, shaft bearings need oil drops


Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn