this post was submitted on 07 Jul 2025
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120V vs 240V.
One has much more power available to achieve the same in a different time.
For example: I can easily boil 0.5L to 100°C of water in about 2-3min.
And the kettle is rated for 2kW.
actually that the why they are slower. most plug in devices in the usa are limited to 1.5 Kw. weather you used a 120v or 240v current it would just change how many amps it draws
Well yeah.
But if both are rated for 6 or 8 Amps and can only supply 240 or 120V, you are bound to that.
Thus the volts are important as well.
Something rated for so few wouldn't be a good heater. At 1.5 kw that typical cut off for small devices in USA. You draw 12 amp. Plug it into a larger 240 vlot circuit and it draws amps but you still only get 1.5 kw of heating. Same time to boil water