Compare the plug shapes, voltage and frequency in Ireland and Switzerland, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Ireland, you will need a travel adapter for Switzerland. Ireland uses Type G plugs, and Switzerland uses Type C/Type J, so the pin shapes will not fit any wall socket.
Ireland (home)
Switzerland (destination)
Electrical specifications in Switzerland
Voltage
Frequency
More about plugs in Switzerland
In Switzerland, the standard power plug is Type C and Type J. The country runs on 230 volts at 50 Hz. That means wall sockets in Switzerland can be one of 2 different shapes — Type C, Type J, and your plug needs to physically match the socket to fit.
Full Switzerland plug guide