Converters are typically used with appliances that operate for a short duration (1-2hours), whilst most transformers can be used alongside appliances that operate continuously. If the appliance or its power supply are not dual voltage rated, the single voltage appliance will have to be used alongside a voltage transformer or converter to allow the appliance to work safely and properly (unless the appliance operates at 120V).Ĭonverters and transformers perform a similar function, but their applications differ. This means that you will not need a converter or transformer but just a travel adaptor, because the USA operates on a 120V supply voltage, which is within the 110-240V range that the dual voltage appliance operates on. You can determine whether you’ll need to use a converter or transformer, by looking at the appliance rating plate.Ī dual voltage rated appliance will display for example ‘INPUT: 110-240V’ on the body of the appliance or its power supply. Most voltage converters and transformers come supplied with plug adaptors, so you may not need to buy a separate travel adaptor.Īll converters and transformers will have a maximum power rating (AMPS or WATTS) so make sure that any appliance you intend to use does not exceed this rating. For example, a 50Hz clock may run faster on a 60Hz electricity supply. If the frequency is different, the normal operation of an electrical appliance may also be affected. It can be extremely dangerous to use an electrical appliance that is rated at a voltage different from the supply.Īs voltage can differ from country to country, you may need to use a voltage converter or transformer whilst in USA. Voltage converters and transformersĮlectricity supplies worldwide can vary from anything between 100V and 240V. USA operates on a 120V supply voltage and 60Hz. Plug type A is the plug which has two flat parallel pins and plug type B is the plug which has two flat parallel pins and a grounding pin.
It is important to note that it does not convert the voltage or frequency.įor USA there are two associated plug types, types A and B. This normally includes the use of a travel adaptor, which is a device that simply allows you to plug any UK electrical appliance into a foreign electrical socket. You will need to consider what to pack, to ensure you can use your personal electrical appliances safely whilst abroad.
USA travel adaptors: which type do I need? To make sure you see all the USA has to offer, it’s important to plan your trip, before you set off on your adventure. The United States of America entices thousands of tourists every year, who are all looking to discover and explore the country.
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