Mains supply in El Salvador: 120 V, 60 Hz, sockets of Types A and B. 120 V instead of 230 V: check the rating plate before you plug in a hair dryer. An adapter does not change voltage. 60 Hz rather than 50 Hz matters only for motors and timers, not for power supplies.
You will find identical sockets in Anguilla, Aruba, U.S. Virgin Islands and Guatemala. Nearby but different: Greenland, Saint Lucia and Grenada – an adapter for El Salvador will not fit there. 24 of the 31 destinations in North and Central America share the plug types of El Salvador.
Protective earth
Grounded and ungrounded sockets may occur
Not every socket in El Salvador is earthed: Type B yes, Type A no. Class I appliances belong in an earthed outlet.
Yes. UK plugs do not fit the sockets in El Salvador.
What do sockets look like in El Salvador?
Types A and B – that is what you will find in El Salvador (120 V, 60 Hz).
What voltage does El Salvador use?
At 120 V it depends on the rating plate: “100–240 V” is fine, single-voltage gear is not.
An adapter changes the plug shape only, not voltage or frequency. El Salvador supplies 120 V at 60 Hz – check the rating plate on your device. How to read a rating plate →
If a socket gets hot, crackles or smells burnt, unplug the device straight away.