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.
Russia uses 220 volt electricity (America uses 110 volts). Most electrical devices support both. Look on the back of your power adapter it to find its supported voltage. If you see the range â110-240 voltsâ, your devices are compatible and you're set to go.