Your plugs & sockets
Voltage
100V
Frequency
50Hz/60Hz
Plugs
A, B
Plugs & sockets in El Salvador
Voltage
120V
Frequency
60Hz
Plugs
A, B
Travel Adapter for El Salvador: Do You Need One? (Japan β El Salvador)No Adapter Needed
Traveling from Japan to El Salvador means crossing into a different electrical system. Here's a complete breakdown of the sockets, voltage, and the right adapter to bring for El Salvador, so nothing you packed ends up useless at the hotel.
Do you need a travel adapter for El Salvador?
Good news: you generally don't need a plug adapter. Both Japan and El Salvador use Type A/B outlets, so your existing plugs should fit El Salvador's sockets directly. A universal adapter is still worth keeping in your bag as a backup for future trips.
What plugs and sockets does El Salvador use?
El Salvador uses these power plug types: Type A: two flat parallel pins (ungrounded), the standard North American and Japanese plug; Type B: two flat pins plus a round grounding pin, common in North America. Outlets run at 120V and 60Hz. Since Japan also uses Type A/B, your plugs already match.
Voltage and frequency in El Salvador
El Salvador runs on 120V at 60Hz, very close to Japan (100V, 50Hz/60Hz). That means voltage isn't a concern here, since your appliances won't be over- or under-powered, so no voltage converter is needed. The only minor difference is frequency (50Hz/60Hz vs 60Hz), which can affect clock-based or motorized devices slightly but won't harm chargers or electronics.
Will your devices work in El Salvador?
Phones, tablets, laptops, and camera chargers are nearly always dual-voltage (100-240V), so they work in El Salvador with just your existing plug, and no converter is required. Even heat-based appliances like hair dryers and straighteners should run fine given the matching 120V supply, though it's always worth a quick label check.
What travel adapter should you buy for El Salvador?
Because Japan and El Salvador share Type A/B outlets, you don't need a special adapter for this trip. A universal travel adapter is still a smart, inexpensive backup if you plan to travel elsewhere, and the better ones add USB-C fast charging to free up your charger.
Tips for charging your devices in El Salvador
Many El Salvador hotel bathrooms have a low-wattage "shaver only" socket that is fine for razors and toothbrushes but not for charging phones or running hair dryers. Use the main wall outlets with your adapter for everything else.


