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Phileas Fogg and Passepartout approach the Swiss Alps

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Electricity
Traveling to other countries will make you personally aware that the planet operates on basically two different electrical systems. All electrical devices are usually designed to operate on one or the other system.  Besides the world having two different electrical systems, there are multiple plug types that have been devised to go with each system. The human mind is never idle!

 The resources below will take you directly to worldwide electricity guides that will tell you the system and plug types for each country of the world.
 

Resources

Five Golden Electricity Rules

There are five golden electricity rules related to electricity when traveling:
 

The Five Golden Electricity Rules

  • Know the voltage, hertz and amps of all your electrical devices you're taking.
  • Make sure you have switched it to the proper voltage if it has a switch for that. (Most hairdryers have a switch you twist with a coin to go between 110v and 220v.)
  • Know the voltage, hertz and plug types for all the places you will be visiting. No we don't mean the country you are visiting. We mean the city or part of the country you will be visiting. On rare occasions you will find that one city or part of a country is on a different system than another. The exceptions will be noted in the Worldwide Electricity Guides. Don't get ambushed!
  • Always take along a set of adapter plugs or a universal adapter plug.
  • Take an extension cord. Don't laugh.  It may come in handy. More about that later.
 
Electrical Systems The two main electrical systems in the world are:
 
  • North America (U.S.A,, Canada, Mexico), Central America and the Western Japan use 110-120v at 50 Hz. (yes, it is true that some major appliances and other equipment run on 220v and houses or apartments are wired for that. But we are talking your basic WALL OUTLET that the maid plus her vacuum into.
  • The rest of the world (with a few exceptions) uses 220-240v at 60 Hz.

There is some good news.  Laptops, cellphones and digital camera adapters that let you plug your device into a wall outlet to power it and recharge the batteries are almost all electricity-smart and will automatically convert the electricity to the correct voltage and hertz.  Hairdryers and some other portable devices have a little switch you turn, usually with a coin, to set it to the 110 or 220 setting.
 

Some Tips
  • It is better to use a dual voltage appliance than to carry along an electrical converter. Especially if it is just a hair dryer or travel iron.  You really don't want to have to lug a portable transformer around like in the old travel days.
     

  • Even with a dual-voltage appliance, you will probably still need an adapter plug. Buy a set of them to take along. Before you go always, try out your appliance cord plugs with any adapters or extension cords to make sure everything is compatible.
     

  • Use your hair dryer on the low setting if you are not sure the hotel electrical system can handle the amps on the high setting.
    Extension

  • About That extension cord

    Take a 15-ft extension cord. Even if you stay in the best hotel in some countries you will at some time in your travels encounter one of the following conditions. The bathroom does not have an electrical outlet at all. The bathroom has an electrical outlet but it is only for electric shavers. If you plug your hair dryer in you will probably overload the system and then lights out!  The only mirror is not in the bathroom but in another part of your hotel room. The electrical outlet that you can use is in another part of the room from where the mirror is. Maybe the mirror is in the bathroom that has no electrical outlet you can use.  So that is where the extension cord comes in. But don't forget your adapter plugs and make sure they fit your extension cord plug

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