Most residential service in USA has both. In the USA 110 to 120 volts is a given and it would be very unusual not to have 220 to 240 volts. It can be easily tested at main panel with a volt meter. Or as an alternative call your power company.
In most instances the size, shape and configuration of slots indicate the voltage. If not sure, test with a voltage tester.
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If a voltage tester is not available go to your distribution panel and find the source breaker that supplies voltage to the receptacle outlet. If it is fed with a single 15 amp breaker it is 120 volts. If the circuit is fed with a two pole 15 amp breaker then it is most likely a 220 volt receptacle outlet. A 120 volt receptacle outlet will have parallel blades whereas a 220 volt receptacle outlet will have tandem blades on a 15 amp circuit.
A three phase panel will not give you 110 and 220 volts. A three phase four wire panel will, but not at these voltages. The nearest voltages will be 120 and 208 volts. The 120 volt is the wye voltage of 208 volts. 208/1.73 = 120 volts. A single phase three wire panel will give you 110 and 220 volts.
France uses 220-240 volts for their electrical system.
Yes but I would not advise it. Get 110 volts somewhere else.
You can't. A 220 volt dryer requires 220 volts in order to operate properly. It will not run on 110 volts.
No country in the world uses 138 volts. They use 100, 110, 115, 120, 127, 210, 220, & 240.
110 volts
Use a step-up transformer from 110 volts to 220 volts. Try getting one at Home Depot or SEARS.
A three phase panel will not give you 110 and 220 volts. A three phase four wire panel will, but not at these voltages. The nearest voltages will be 120 and 208 volts. The 120 volt is the wye voltage of 208 volts. 208/1.73 = 120 volts. A single phase three wire panel will give you 110 and 220 volts.
You need a 110 v to 220 v transformer, which will be inexpensive for supplying an alarm clock. That steps up the 110 v suppy into 220 v for the clock.
If you combine two 110 volt power lines it does not give you 220 volts, the voltage will be the same. The only way to turn 110 volts into 220 volts is with a step-up transformer.
220 volts, 110 volts, 440 volts, 400 volts, AC or DC voltage. High voltage like - 220 KV, 400 KV, etc
China uses 220 Volts AC for household electricity
NO - that is dangerous.
The specific colours of brown and blue suggests that this is a question from the UK or European area. On checking the IP address it shows that the question comes from Uruguay. 110 volts is not a common voltage to this area, so that 110 volts can not be converted to 220 volts because 220 volts is the common working voltage. If the question is asking about using 120 volt equipment in that country see related links below.
France uses 220-240 volts for their electrical system.
just the metal parts
i have no idea