Cited as a reference
Finding HIGH POWER 240V in a 120V Country
Why people recommend it
ElectroBOOM's video is linked in discussions of running 240 V appliances on US supplies, treated as entertaining background and not as a method to copy.
Watch for: Do not replicate the risky wiring
In their words
More here: [video] - a charger might be expecting a sine wave.
Will on electronics.stackexchange.com, Nov 2021. CC BY-SA.