>I have personally run a blow dryer for more than three hours as a kid when we were out of wood and I was cold...
Were you using an extension cord?
>Don't underestimate the stupidity of the general public!
It's not stupid. If you had no wood, then the ambient temperature was probably well below 20°C giving the wiring increased ampacity.
>(You must've never had pipes freeze either...
Trailer folks.
>It is a continuous load...
That's what I said about leaving the hot water running.
>in my opinion, any thing that can be turned on and left on without it shutting itself off within three hours with a timer, thermostat or some type of control, would be considered a continuous load.
That is my view as well for purposes of sizing the conductors. Say, were you quoting me?
Anyway, when thawing pipes or in a cold house, you get a 25% uprating in ampacity from the DSpark table so long as you aren't using an extension cord of a gage less than the gage of the fixed wiring. So carry on.