From Guam to French Guiana
When travelling from Guam to French Guiana: None of your Guam plug types fit in French Guiana. You will need a travel adapter. Voltage is different (110V → 230V). Check your charger label; if it doesn’t list 230V you’ll also need a voltage converter. Frequency differs (60Hz → 50Hz). Modern phone and laptop chargers are usually fine, but some clocks, motors, and appliances may behave incorrectly.
Guam
French GuianaYour plugs
Type A
No fit
Type B
No fit
Accepted in French Guiana
Type C
Type E
0 of 2 plug type(s) match
You: A, B • French Guiana: C, E
No fit for: A, B
Voltage: 110V → 230V
Different voltage
You may need a voltage converter.
Frequency: 60Hz → 50Hz
Different frequency
Check device supports both 50/60 Hz.
You will need an adapter and likely a converterAdapters you may need
Your plug shape does not fully match. Voltage differs; check for 100–240V support.
About electricity in French Guiana
French Guiana uses 230V/50Hz with Type C and E sockets. French standards as a French overseas department.
Grid & history
A small grid centred on Kourou, supplied by hydropower (Petit-Saut), oil, and growing solar in the Amazon.
Availability
Reliable in coastal towns; remote interior is largely off-grid.
Sockets & hotels
Type E (French) is standard.
Energy mix
Practical tips
- European C/E adapter works.
- Voltage is the standard 230V, and modern chargers handle it without issue.
Frequently asked questions
- Will my Guam plug work in French Guiana?
- No. None of your Guam plugs (Type A, Type B) fit in French Guiana sockets (Type C, Type E), so you will need a travel adapter.
- What plug type does French Guiana use?
- French Guiana uses Type C, Type E. The supply is 230V at 50Hz.
- Do I need a voltage converter for French Guiana when travelling from Guam?
- French Guiana runs on 230V, while Guam uses 110V. Check your charger label for a 100 to 240V rating; if it does not list 230V you will also need a voltage converter.
- Is the electrical frequency in French Guiana the same as Guam?
- Frequency in French Guiana is 50Hz, while Guam uses 60Hz. Modern phone and laptop chargers handle either, but clocks, motors, and some heating appliances may behave incorrectly.