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Guernsey: plug type, voltage, and travel adapter guide

Plug types
Type G
Voltage
230V
Frequency
50Hz

Guernsey uses Type G outlets at 230V, 50Hz.

Do travellers to Guernsey need an adapter?

It depends where you're coming from. Here's what we'd pack from the most common origins. Click any row for the full per-pair breakdown.

From Plug adapter Voltage converter Full guide
United Kingdom
Type G · 230V
 Not needed Not needed United Kingdom → Guernsey
Ireland
Type G · 230V
 Not needed Not needed Ireland → Guernsey
Australia
Type I · 230V
 Needed Not needed Australia → Guernsey
Germany
Type C, F · 230V
 Needed Not needed Germany → Guernsey
France
Type C, E · 230V
 Needed Not needed France → Guernsey
Italy
Type C, F, L · 230V
 Needed Not needed Italy → Guernsey
Spain
Type C, F · 230V
 Needed Not needed Spain → Guernsey
Netherlands
Type C, F · 230V
 Needed Not needed Netherlands → Guernsey
Switzerland
Type C, J · 230V
 Needed Not needed Switzerland → Guernsey
Belgium
Type C, E · 230V
 Needed Not needed Belgium → Guernsey
United States
Type A, B · 120V
 Needed Check devices United States → Guernsey
Canada
Type A, B · 120V
 Needed Check devices Canada → Guernsey

Frequently asked

What type of plug does Guernsey use?
Guernsey uses Type G outlets at 230V, 50Hz.
What's the voltage in Guernsey?
Guernsey runs on 230V at 50Hz — that's the high-voltage standard. Dual-voltage devices (most phones, laptops, modern chargers labelled "100-240V") work as-is. Single-voltage devices like hair dryers, curling irons, and travel kettles do not without a converter.
Do I need a travel adapter for Guernsey?
Only if your home country uses a different plug type. Travellers from any country whose plugs aren't Type G will need an adapter. Use the table above or the calculator to check your specific pair.

Check a specific pair

Not coming from one of the origins above? Drop your actual starting country in and we'll compute the verdict for you.