From El Salvador to Japan
When travelling from El Salvador to Japan: Good news: all your El Salvador plug types fit in Japan. Voltage is different (120V → 100V). Check your charger label; if it doesn’t list 100V you’ll also need a voltage converter. Frequency differs (60Hz → 50Hz / 60Hz). Modern phone and laptop chargers are usually fine, but some clocks, motors, and appliances may behave incorrectly.
El Salvador
JapanYour plugs
Type A
Fits
Type B
Fits
Accepted in Japan
Type A
Type B
2 of 2 plug type(s) match
You: A, B • Japan: A, B
Voltage: 120V → 100V
Different voltage
You may need a voltage converter.
Frequency: 60Hz → 50Hz / 60Hz
Different frequency
Check device supports both 50/60 Hz.
Plugs fit, but voltage differsAdapters you may need
Voltage differs; check for 100–240V support.
About electricity in Japan
Japan uses 100V with both 50Hz (east) and 60Hz (west); sockets are Type A/B.
Grid & history
Unique split frequency legacy persisted from early imports of German and American generators.
Availability
Very high reliability in cities.
Sockets & hotels
Many sockets are ungrounded Type A.