they do not. Even hair dryer coils don't generally glow, and the old vapes used the same wires, at sub-1% of the wattage. 5-8W instead of 800-1500W. That wire was called "Kanthal", and for a while vapes went to nichrome and titanium and various other things. I am unsure what the "gold standard" is now, but i doubt it's still kanthal unless it's a cheap chinese vape "bar".
anyhow, as other people and myself said already, the metal never gets hot enough to incandesce, not even remotely close!
anyhow, as other people and myself said already, the metal never gets hot enough to incandesce, not even remotely close!