70W 110V/120V to 220V/240V Step up/Down Travel Adapter Voltage Converter Transformer(CN Standard Plug）

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Though most US countries lead their life with 120V outlets, sometimes 240V outlets are needed for some specific appliances that need higher voltages for power transmission. For converting an outlet from 120V to 240V, you need to change the breaker to a 2-pole 240V breaker. All your 120V wires will get rated at 240V.

Though most US people use 120V, some larger appliances like electric ranges, dryers, and air conditioners use 240V outlets rather than 120V. Whenever the option is available, it is best to connect a dual voltage motor to the higher voltage. This article better describes why: Should I Connect My Motor to 120 or 240 Volts. Extension cords are likely required (not included). You must ensure that the integrity of your extension cords is adequate to meet the current demands of your power equipment. Arrange all the wires together and push them inside the circuit and outlets. Cover them with the respective cover plates and screws. TipA normal 120V outlet will have a 120V wire, a neutral wire, and a ground wire. A 240V outlet will have two 120V wires and one neutral wire. We all know, most Asian and European countries (e.g. China, England) power grids are 50 Hertz, 220V (230V, 240V), but American countries (e.g. USA, Canada) are 60 Hertz, 110V (120V). In case of a UK (230V 50Hz) family move to USA (110V 60Hz) along with their home appliances (e.g. stove, coffee machine), those appliances are designed for 230V 50 Hz power supply, which will NOT work (or not work well) in 110V 60 Hz system. Hence, we need a device to convert 60Hz 110V to 50Hz 230V to allow such appliances work in a good condition. Plug the other power cord into a different 110/120-volt outlet. Use an extension cord of appropriate length, as needed. (The two outlets will most likely be far apart.) and 60Hz (110V, 120V) power supplies are most often used in global power system for home appliances. Some countries (regions) use 60 Hz power source while other countries use 50 Hz, but some equipment are not working well on different frequency. Home appliances, like TV, speaker, lights, can work with both 50Hz and 60Hz power supply, but some other appliances especially with electric motor inside it, like air conditioner, fridge, can only work with 50Hz or 60Hz. If a 50Hz electric motor working on 60Hz power system, the motor speed will be 20% faster, then cause over temperature and shorten its service life. Next, look at the receptacle (outlet) on the generator. If it looks like the totally common AC power outlet, then you can't do it if the A/C unit takes more than 1800 watts.

Alternating Current (AC) is changing the direction of the current periodically; Cycle is the time of a cyclical change of the current; Frequency is the times of the current changes per second, unit Hertz (Hz). AC current direction changes 50 or 60 cycles per second, in accordance with 100 or 120 changes per second, then the frequency is 50Hz or 60Hz.Getting a 240V outlet is very simple. You need to clip a double-pole circuit to both 120 buses simultaneously. Ensure that you have identified the correct circuit breaker for this circuit, and now plan as to where you are able to fit in the new 15A/240V, 2-pole breaker. While you are allowed to add some length and make a splice inside the panel, it’s best if the wires will reach the new breaker location without doing so. Make sure that if you have to move breakers around to do this, take the time to modify the panel schedule to identify the circuit breaker positions that you moved. Most US homes are designed with 120V, and only the utility room and kitchen have 240V as it contains larger appliances. Turn off the outlet power at the main breaker. Use a voltage line tester to make sure there is no power running. There's one more hitch: what's the capacity of the generator? (again in watts or VA). If the generator doesn't have enough watts, then it cannot start the air conditioner. That's likely. Generators which are 120V-only tend to be small, and air conditioners which are 240V tend to be large.