Electricity Needs

This page has good information:
http://www.power-plugs-sockets.com/en-us/samoa/

Basically, you need to know two things:

1. Does your plug physically fit into the electricity receptacle in Samoa? No.

Here is your US appliance cord end:

Here is the Samoan electrical outlet, aka Type I or the "Australian Outlet:"



Not the same. So you know that you need a plug adaptor. This just reconfigures the physical plug to fit into the samoan socket.

2. Is the voltage draw equivalent? Depends.The United States provides the following voltage/currents: 120V, 60 Hz. Samoa provides the following: 230 V, 50 Hz. Will your appliance be able to function on the samoan current? If your appliance says "120V, 60Hz" NO! You will need a voltage converter as well as a plug adaptor.

If the label states 'INPUT: 100-240V, 50/60 Hz' YES! the appliance can be used in all countries in the world. This is common for chargers of tablets/laptops, photo cameras, cell phones, toothbrushes, etc. The good news is that unless your appliance is super old, it probably doesn't need a voltage converter. Really, the only issues are with blow dryers. Check today! 

So before you go,

Throw all the appliances you are planning to packing on your bed. Hair dryers, contact lens sanitizers, hair straighteners, phone chargers, go pro chargers, cameras and ipads. Now take half and take them away. You have too many things. Of the items that are left, contact other trip members and see if you can share appliances. This should get rid of half of what's left. Now carefully check the items left, and determine what needs a converter/plug adaptor combo.

iPhones:
No matter which model iphone you have, you never need a converter, only a plug adaptor. iPhones and iPads work on 100-240 volts and 50-60 Hz. You can plug them in anywhere on earth, as long as you have a plug adaptor to physically connect he

One last thing:
Sometimes some appliances have a physical switch that you have to throw to accept the higher voltage of Samoa. My hairdryer does this. I will post a photo later. Throw the switch before you check in your luggage for your departure flight! I once forgot to throw the switch on my apple computer in Romania, then plugged it in and turned it on. I had to hunt down a computer repair person to fix my fried power supply.