Plugs and electricity in Guam
Guam runs at 110 V, 60 Hz, with Type A, B sockets.
Data status: two general references agree.
What you need, coming from…
Two devices that behave oppositely. A charger takes any supply, so only the plug shape matters. A hair dryer is built for one voltage, and the wrong one destroys it.
| Coming from | Phone or laptop charger | Hair dryer |
|---|---|---|
| Northern Mariana Islands | Adapter | Unknown |
| Micronesia | Nothing needed | Nothing needed |
| Palau | Nothing needed | Nothing needed |
| Marshall Islands | Adapter | Unknown |
| China | Nothing needed | Runs weak |
| Japan | Nothing needed | Nothing needed |
| United States | Nothing needed | Nothing needed |
| South Korea | Adapter | Runs weak |
Packing something else? Check your exact device →
Socket types used here
Type AType A (NEMA 1-15, ungrounded) · 2 pins · not earthed
Type BType B (NEMA 5-15, grounded) · 3 pins · earthed
Plug photographs from Wikimedia Commons, cropped and resized. Credits and licences.