Re: never seems to taste the same?
In theory, you are of course correct. In practice a US mains outlet is fused at 15A, giving a practical limit of 1650W, a long way from the UK 3120W (240*13) or European 3520W (220*16).
The actual practical limit is 1875 watts (125*15) which is the common and quite adequate specification for high powered devices like big kettles, convection ovens, and the like.
110 volts hasn't been seen on domestic feeds here for decades. Maybe in some out of the way rural services, but even there, I doubt it.
Note that, unlike UK wiring specs, modern North American wiring codes now specify a dedicated breaker and wire for each outlet in rooms like kitchens, so every single outlet can deliver the 1875 watts simultaneously... with no ring mains or the like, and no fuses that can be replaced with incorrect capacity conductors.