The usage of ensure vs. insure is very important from a contractual perspective, while they sound very similar they can have very different meanings in a legal context. Insure means to safeguard against loss or damage, typically through the ... Read more
Electrical sockets (outlets) in the People's Republic of China usually supply electricity at between 220 and 240 volts AC. If you're plugging in an appliance that was built for 220-240 volt electrical input, or an appliance that is compatible with multiple voltages, then an adapter is all you need.
How many volts are in a wall outlet? The actual voltage supplied to a home from the electric utility is 240 volts, split across two legs.. Most outlets are wired to one leg and a neutral leg. This provides half the total incoming voltage, or 120 volts. 240-volt outlets are wired to both of the incoming legs, providing the full voltage.