Single phase & three phase standards in different countries-The Ultimate International Voltage Guide

Voltage standards for diff countries cover

Traveling internationally? This international voltage guide will help you navigate the different electricity standards by country, ensuring your devices are compatible

Visiting new countries can be an exciting adventure, but it’s important to remember that not all places have the same voltage and frequency or use the same type of plugs and sockets. Countries have developed their own electrical standards based on the country’s history, technology and geography. This affects how your electronics and appliances work and can even be dangerous in some cases, especially if you are working with higher voltages or different phase voltages.

In this article you will find a complete list of single and three-phase voltages with the corresponding frequencies (50 Hz and 60 Hz), number of wires and plug types used in different countries and regions

Single-Phase and Three-Phase Standards: An Overview

Single-phase power is primarily used for residential purposes and small businesses. It provides a stable phase voltage suitable for most household appliances, power supplies, and lighting systems. This standard typically involves a simpler setup with a lower supply voltage and a single power generator, making it ideal for environments with minimal power demands.

Three-phase power, on the other hand, is used for industrial applications and heavy-duty operations and provides a more robust and efficient power supply for large machinery, commercial equipment and heavy-duty appliances. The system typically operates at higher voltages and meets the demanding requirements of industries where a consistent and powerful power supply is critical.

The number of wires used in these systems is also important, as it affects the installation and configuration of electrical systems, especially in heavy-duty and industrial applications.

These different phases are part of the broader electricity standards by country, which also dictate voltage and frequency.

List of Voltage, Frequency, number of wires and Types of Plugs for different countries

The following table lists the voltage, frequency, and types of electrical outlets used in different countries.

Use the CTRL + F keyboard shortcut to easily find a country in the table below.

Country

Single-Phase Voltage (Volts)

Three-Phase Voltage (Volts)

Frequency (Hertz)

# of wires (not including ground wire)

Plug Type

Abu Dhabi

230 V

400 V

50 Hz

3, 4

G

Afghanistan

220 V

380 V

50 Hz

4

C/F

Albania

230 V

400 V

50 Hz

4

C/F

Algeria

230 V

400 V

50 Hz

4

C/F

American Samoa

120 V

208 V

60 Hz

3, 4

A/B/F/I

Andorra

230 V

400 V

50 Hz

3, 4

C/F

Angola

220 V

380 V

50 Hz

4

C/F

Anguilla

110 V

120/208 V / 127/220 V / 240/415 V

60 Hz

3, 4

A/B

Antigua and Barbuda

230 V

400 V

60 Hz

3, 4

A/B

Argentina

220 V

380 V

50 Hz

3, 4

C/I

Armenia

230 V

400 V

50 Hz

4

C/F

Aruba

120 V

220 V

60 Hz

3, 4

A/B/F/I

Australia

230 V

400 V

50 Hz

3, 4

I

Austria

230 V

400 V

50 Hz

3, 4

C/F

Azerbaijan

220 V

380 V

50 Hz

4

C/F

Azores

230 V

400 V

50 Hz

3, 4

B/C/F

Bahamas

120 V

208 V

60 Hz

3, 4

A/B

Bahrain

230 V

400 V

50 Hz

3, 4

G

Balearic Islands

230 V

400 V

50 Hz

3, 4

C/F

Bangladesh

220 V

380 V

50 Hz

3, 4

A/C/D/G/K

Barbados

115 V

200 V

50 Hz

3, 4

A/B

Belarus

220 V

380 V

50 Hz

4

C/F

Belgium

230 V

400 V

50 Hz

3, 4

C/E

Belize

110 V / 220 V

190 V / 380 V

60 Hz

3, 4

A/B/G

Benin

220 V

380 V

50 Hz

4

C/E

Bermuda

120 V

208 V

60 Hz

3, 4

A/B

Bhutan

230 V

400 V

50 Hz

4

C/D/G

Bolivia

230 V

400 V

50 Hz

4

A/C

Bonaire

127 V

220 V

50 Hz

3, 4

A/C

Bosnia & Herzegovina

230 V

400 V

50 Hz

4

C/F

Botswana

230 V

400 V

50 Hz

4

D/G

Brazil

127 V / 220 V

220 V / 380 V

60 Hz

3, 4

C/N

British Virgin Islands

110 V

190 V

60 Hz

3, 4

A/B

Brunei

240 V

415 V

50 Hz

4

G

Bulgaria

230 V

400 V

50 Hz

4

C/F

Burkina Faso

220 V

380 V

50 Hz

4

C/E

Burma (officially Myanmar)

230 V

400 V

50 Hz

4

A/C/D/G/I

Burundi

220 V

380 V

50 Hz

4

C/E

Cambodia

230 V

400 V

50 Hz

4

A/C/G

Cameroon

220 V

380 V

50 Hz

4

C/E

Canada

120 V

120/208 V / 240 V / 480 V / 347/600 V

60 Hz

3, 4

A/B

Canary Islands

230 V

400 V

50 Hz

3, 4

C/E/F

Cape Verde

230 V

400 V

50 Hz

3, 4

C/F

Cayman Islands

120 V

240 V

60 Hz

3

A/B

Central African Republic

220 V

380 V

50 Hz

4

C/E

Chad

220 V

380 V

50 Hz

4

C/D/E/F

Channel Islands (Guernsey & Jersey)

230 V

415 V

50 Hz

4

C/G

Chile

220 V

380 V

50 Hz

3, 4

C/L

China, People’s Republic of

220 V

380 V

50 Hz

3, 4

A/C/I

Colombia

110 V

220 V / 440 V

60 Hz

3, 4

A/B

Comoros

220 V

380 V

50 Hz

4

C/E

Congo, Democratic Republic of

220 V

380 V

50 Hz

3, 4

C/D/E

Congo, People’s Republic of

230 V

400 V

50 Hz

3, 4

C/E

Cook Islands

240 V

415 V

50 Hz

3, 4

I

Costa Rica

120 V

240 V

60 Hz

3, 4

A/B

Côte d’Ivoire (Ivory Coast)

220 V

380 V

50 Hz

3, 4

C/E

Croatia

230 V

400 V

50 Hz

4

C/E

Cuba

110 V / 220 V

190 V

60 Hz

3

A/B/C/L

Curaçao

127 V

220 V / 380 V

50 Hz

3, 4

A/B

Cyprus

230 V

400 V

50 Hz

4

G

Czech Republic

230 V

400 V

50 Hz

3, 4

C/E

Denmark

230 V

400 V

50 Hz

3, 4

C/E/F/K

Djibouti

220 V

380 V

50 Hz

4

C/E

Dominica

230 V

400 V

50 Hz

4

D/G

Dominican Republic

120 V

120/208 V / 277/480 V

60 Hz

3, 4

A/B

Dubai

230 V

400 V

50 Hz

3, 4

G

East Timor (Timor-Leste)

220 V

380 V

50 Hz

4

C/E/F/I

Ecuador

120 V

208 V

60 Hz

3, 4

A/B

Egypt

220 V

380 V

50 Hz

3, 4

C/F

El Salvador

120 V

200 V

60 Hz

3

A/B

England

230 V

415 V

50 Hz

4

G

Equatorial Guinea

220 V

380 V

50 Hz

3, 4

C/E

Eritrea

230 V

400 V

50 Hz

4

C/L

Estonia

230 V

400 V

50 Hz

4

C/F

Ethiopia

220 V

380 V

50 Hz

4

C/F

Faeroe Islands

230 V

400 V

50 Hz

3, 4

C/E/F/K

Falkland Islands

240 V

415 V

50 Hz

4

G

Fiji

240 V

415 V

50 Hz

3, 4

I

Finland

230 V

400 V

50 Hz

3, 4

C/F

France

230 V

400 V

50 Hz

4

C/E

French Guiana

220 V

380 V

50 Hz

3, 4

C/D/E

Gabon (Gabonese Republic)

220 V

380 V

50 Hz

4

C

Gambia

230 V

400 V

50 Hz

4

G

Gaza

230 V

400 V

50 Hz

4

C/H

Georgia

220 V

380 V

50 Hz

4

C/F

Germany

230 V

400 V

50 Hz

4

C/F

Ghana

230 V

400 V

50 Hz

3, 4

D/G

Gibraltar

230 V

400 V

50 Hz

4

G

Great Britain (GB)

230 V

415 V

50 Hz

4

G

Greece

230 V

400 V

50 Hz

4

C/F

Greenland

230 V

400 V

50 Hz

3, 4

C/E/F/K

Grenada

230 V

400 V

50 Hz

4

G

Guadeloupe

230 V

400 V

50 Hz

3, 4

C/E

Guam

110 V

190 V

60 Hz

3, 4

A/B

Guatemala

120 V

208 V

60 Hz

3, 4

A/B

Guinea

220 V

380 V

50 Hz

3, 4

C/F/K

Guinea-Bissau

220 V

380 V

50 Hz

3, 4

C

Guyana

120 V / 240 V

190 V

60 Hz

3, 4

A/B/D/G

Haiti

110 V

190 V

60 Hz

3, 4

A/B

Holland (officially the Netherlands)

230 V

400 V

50 Hz

3, 4

C/F

Honduras

120 V

208 V / 230 V / 240 V / 460 V / 480 V

60 Hz

3, 4

A/B

Hong Kong

220 V

380 V

50 Hz

3, 4

G

Hungary

230 V

400 V

50 Hz

3, 4

C/F

Iceland

230 V

400 V

50 Hz

3, 4

C/F

India

230 V

400 V

50 Hz

4

C/D/M

Indonesia

230 V

400 V

50 Hz

4

C/F

Iran

230 V

400 V

50 Hz

3, 4

C/F

Iraq

230 V

400 V

50 Hz

4

C/D/G

Ireland (Eire)

230 V

415 V

50 Hz

4

G

Ireland, Northern

230 V

415 V

50 Hz

4

G

Isle of Man

230 V

415 V

50 Hz

4

C/G

Israel

230 V

400 V

50 Hz

4

C/H

Italy

230 V

400 V

50 Hz

4

C/F/L

Jamaica

110 V

190 V

50 Hz

3, 4

A/B

Japan

100 V

200 V

50 / 60 Hz

3

A/B

Jordan

230 V

400 V

50 Hz

3, 4

C/D/F/G/J

Kazakhstan

220 V

380 V

50 Hz

3, 4

C/F

Kenya

240 V

415 V

50 Hz

4

G

Kiribati

240 V

415 V

50 Hz

3, 4

I

Korea, North

220 V

380 V

50 Hz

3, 4

C

Korea, South

220 V

380 V

60 Hz

4

C/F

Kosovo

230 V

230 V / 400 V

50 Hz

3

C/F

Kuwait

240 V

415 V

50 Hz

4

G

Kyrgyzstan

220 V

380 V

50 Hz

3, 4

C/F

Laos

230 V

400 V

50 Hz

4

A/B/C/E/F

Latvia

230 V

400 V

50 Hz

4

C/F

Lebanon

230 V

400 V

50 Hz

4

C/D/G

Lesotho

220 V

380 V

50 Hz

4

M

Liberia

120 V

208 V

60 Hz

3, 4

A/B

Libya

230 V

400 V

50 Hz

4

C/L

Liechtenstein

230 V

400 V

50 Hz

4

C/J

Lithuania

230 V

400 V

50 Hz

4

C/F

Luxembourg

230 V

400 V

50 Hz

4

C/F

Macau

220 V

380 V

50 Hz

3

G

Macedonia

230 V

400 V

50 Hz

4

C/F

Madagascar

220 V

380 V

50 Hz

3, 4

C/E

Madeira

230 V

400 V

50 Hz

3, 4

C/F

Malawi

230 V

400 V

50 Hz

3, 4

G

Malaysia

240 V

415 V

50 Hz

4

G

Maldives

230 V

400 V

50 Hz

4

C/D/G/J/K/L

Mali

220 V

380 V

50 Hz

3, 4

C/E

Malta

230 V

400 V

50 Hz

4

G

Marshall Islands

120 V

230 V

60 Hz

3

A/B

Martinique

220 V

380 V

50 Hz

3, 4

C/D/E

Mauritania

220 V

220 V

50 Hz

3, 4

C

Mauritius

230 V

400 V

50 Hz

4

C/G

Mayotte

230 V

400 V

50 Hz

3

C/E

Mexico

127 V

220 V / 480 V

60 Hz

3, 4

A/B

Micronesia, Federated States of

120 V

208 V

60 Hz

3

A/B

Moldova

230 V

400 V

50 Hz

4

C/F

Monaco

230 V

400 V

50 Hz

4

C/E/F

Mongolia

230 V

400 V

50 Hz

4

C/E

Montenegro

230 V

400 V

50 Hz

3, 4

C/F

Montserrat

230 V

400 V

60 Hz

4

A/B

Morocco

220 V

380 V

50 Hz

4

C/E

Mozambique

220 V

380 V

50 Hz

4

C/F/M

Myanmar (formerly Burma)

230 V

400 V

50 Hz

4

A/C/D/G/I

Namibia

220 V

380 V

50 Hz

4

D/M

Nauru

240 V

415 V

50 Hz

4

I

Nepal

230 V

400 V

50 Hz

4

C/D/M

Netherlands

230 V

400 V

50 Hz

3, 4

C/F

New Caledonia

220 V

380 V

50 Hz

3, 4

C/F

New Zealand

230 V

400 V

50 Hz

3, 4

I

Nicaragua

120 V

208 V

60 Hz

3, 4

A/B

Niger

220 V

380 V

50 Hz

4

C/D/E/F

Nigeria

230 V

415 V

50 Hz

4

D/G

Northern Ireland

230 V

415 V

50 Hz

4

G

North Korea

220 V

380 V

50 Hz

3, 4

C

Norway

230 V

230 V / 400 V

50 Hz

3, 4

C/F

Oman

240 V

415 V

50 Hz

4

G

Pakistan

230 V

400 V

50 Hz

3

C/D

Palau

120 V

208 V

60 Hz

3

A/B

Panama

120 V

240 V

60 Hz

3

A/B

Papua New Guinea

240 V

415 V

50 Hz

4

I

Paraguay

220 V

380 V

50 Hz

4

C

Peru

220 V

220 V

60 Hz

3

A/C

Philippines

220 V

380 V

60 Hz

3

A/B/C

Pitcairn Islands

230 V

Not Available

50 Hz

2

I

Poland

230 V

400 V

50 Hz

4

C/E

Portugal

230 V

400 V

50 Hz

3, 4

C/F

Puerto Rico

120 V

480 V

60 Hz

3, 4

A/B

Qatar

240 V

415 V

50 Hz

3, 4

G

Réunion

230 V

400 V

50 Hz

4

C/E

Romania

230 V

400 V

50 Hz

4

C/F

Russia (officially the Russian Federation)

220 V

380 V

50 Hz

4

C/F

Rwanda

230 V

400 V

50 Hz

4

C/J

Saba

110 V

208 V

60 Hz

3

A/B

Saint Barthélemy (informally also referred to as Saint Barth’s or Saint Barts)

230 V

400 V

60 Hz

3

C/E

Saint Kitts and Nevis (officially the Federation of Saint Christopher and Nevis)

230 V

400 V

60 Hz

4

D/G

Saint Lucia

230 V

400 V

50 Hz

4

G

Saint Martin

220 V

400 V

60 Hz

3

C/E

Saint Helena

230 V

Not Available

50 Hz

2

G

Sint Eustatius

110 V / 220 V

220 V

60 Hz

3, 4

A/B/C/F

Sint Maarten

110 V

220 V

60 Hz

3, 4

A/B

Saint Vincent and the Grenadines

110 V / 230 V

400 V

50 Hz

4

A/B/G

Samoa

230 V

400 V

50 Hz

3, 4

I

San Marino

230 V

400 V

50 Hz

4

C/F/L

São Tomé and Príncipe

230 V

400 V

50 Hz

3, 4

C/F

Saudi Arabia

230 V

400 V

60 Hz

4

G

Scotland

230 V

415 V

50 Hz

4

G

Senegal

230 V

400 V

50 Hz

3, 4

C/D/E/K

Serbia

230 V

400 V

50 Hz

3, 4

C/F

Seychelles

240 V

240 V

50 Hz

3

G

Sierra Leone

230 V

400 V

50 Hz

4

D/G

Singapore

230 V

400 V

50 Hz

4

G

Slovakia

230 V

400 V

50 Hz

4

C/E

Slovenia

230 V

400 V

50 Hz

3, 4

C/F

Solomon Islands

230 V

400 V

50 Hz

3

G/I

Somalia

220 V

380 V

50 Hz

3, 4

C

Somaliland

220 V

380 V

50 Hz

3, 4

C

South Africa

230 V

400 V

50 Hz

3, 4

C/D/M/N

South Korea

220 V

380 V

60 Hz

4

C/F

South Sudan

230 V

400 V

50 Hz

4

C/D

Spain

230 V

400 V

50 Hz

3, 4

C/F

Sri Lanka

230 V

400 V

50 Hz

4

D/G

Sudan

230 V

400 V

50 Hz

4

C/D

Suriname

127 V / 230 V

220 V / 400 V

60 Hz

3, 4

A/B/C/F

Swaziland

230 V

400 V

50 Hz

4

M

Sweden

230 V

400 V

50 Hz

3, 4

C/F

Switzerland

230 V

400 V

50 Hz

3, 4

C/J

Syria

220 V

380 V

50 Hz

3

C/E/L

Tahiti

220 V

380 V

50 / 60 Hz

3, 4

C/E

Taiwan

110 V

220 V

60 Hz

4

A/B

Tajikistan

220 V

380 V

50 Hz

3

C/F

Tanzania

230 V

415 V

50 Hz

3, 4

D/G

Thailand

230 V

400 V

50 Hz

3, 4

A/B/C/O

Togo

220 V

380 V

50 Hz

4

C

Tonga

240 V

415 V

50 Hz

3, 4

I

Trinidad & Tobago

115 V

115/230 V / 230/400 V

60 Hz

4

A/B

Tunisia

230 V

400 V

50 Hz

4

C/E

Turkey

230 V

400 V

50 Hz

3, 4

C/F

Turkmenistan

220 V

380 V

50 Hz

3

C/F

Turks and Caicos Islands

120 V

240 V

60 Hz

4

A/B

Uganda

240 V

415 V

50 Hz

4

G

Ukraine

230 V

400 V

50 Hz

4

C/F

United Arab Emirates (UAE)

230 V

400 V

50 Hz

3, 4

G

United Kingdom (UK)

230 V

415 V

50 Hz

4

G

United States of America (USA)

120 V

120/208 V / 277/480 V / 120/240 V / 240 V / 480 V

60 Hz

3, 4

A/B

United States Virgin Islands

110 V

190 V

60 Hz

3, 4

A/B

Uruguay

220 V

380 V

50 Hz

3

C/F/L

Uzbekistan

220 V

380 V

50 Hz

4

C/F

Vanuatu

230 V

400 V

50 Hz

3, 4

I

Venezuela

120 V

120 V

60 Hz

3, 4

A/B

Vietnam

220 V

380 V

50 Hz

4

A/C/D

Virgin Islands (British)

110 V

190 V

60 Hz

3, 4

A/B

Virgin Islands (USA)

110 V

190 V

60 Hz

3, 4

A/B

Wales

230 V

415 V

50 Hz

4

G

Yemen

230 V

400 V

50 Hz

4

A/D/G

Zambia

230 V

400 V

50 Hz

4

C/D/G

Zimbabwe

240 V

415 V

50 Hz

3, 4

D/G

Understanding the different types of electrical outlets is crucial for travel adapter compatibility. Be sure to purchase an adapter that matches the plug type used in your destination country.

Conclusion

The diversity in electrical standards across countries emphasizes the need for careful consideration when dealing with electrical systems internationally. Always verify the local standards before plugging in your devices to avoid equipment damage or serious safety hazards.

We hope this international voltage guide has been helpful in preparing you for your travels. Remember to check the voltage and plug type of your destination country and pack the appropriate adapters for travel adapter compatibility.

Geya high-quality electrical components
BUY NOW

To ensure compatibility and safety, consider using Geya’s range of high-quality electrical components. Geya provides global standard solution services for single-phase and three-phase systems, making them perfect for residential, commercial, and industrial purposes. We also provide free consultation sessions to understand your options and make decisions. Our team is here to help you, for a quote and professional advice unique to your needs, feel free to contact us.

Table of Contents
Related Posts ：
Contact Us
Type to search
Contact Us

Check Out The Full Catalog

Quick Info Exchange Helps Us Serve You Better
(Low-voltage and solar energy electrical components catalog)

Electrical Equipment catalog