Mains supply in Peru: 230 V, 60 Hz, sockets of Types A, B and C. 230 V means no voltage converter – only the plug shape matters. The grid runs at 60 Hz. Chargers do not care; mains-synchronised clocks and simple motors do.
You will find identical sockets in Bolivia. Travelling further to Argentina and the Falkland Islands means a different adapter. 2 of the 14 destinations in South America share the plug types of Peru.
Protective earth
Grounded and ungrounded sockets may occur
Mixed supply: Types A and C without earth, Type B with earth. Which one is in your room only shows on arrival.
The records list Types A, B and C; the grid supplies 230 V at 60 Hz.
Will my hair dryer work in Peru?
No. At 230 V the supply matches UK and European appliances.
An adapter changes the plug shape only, not voltage or frequency. Peru supplies 230 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.