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Country Voltage, Frequency, and Plug Type Chart
This chart includes information on voltages and frequencies found across the globe. Each country is listed with the volts and frequency (also referred as Hertz or Hz and is referring to cycles per second) commonly found in each geographic area.
Country | Single-Phase Voltage | Three-Phase Voltage | Frequency (Hertz) | # of Wires | 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 |
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 | [unavailable] | [unavailable] | [unavailable] | 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 | 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 | [unavailable] | [unavailable] | [unavailable] | 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 | [unavailable] | [unavailable] | [unavailable] | 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 | [unavailable] | [unavailable] | [unavailable] | C/E |
Mexico | 127 V | 220 V / 480 V | 60 Hz | 3, 4 | A/B |
Micronesia, Federated States of | 120 V | [unavailable] | [unavailable] | [unavailable] | 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 | [unavailable] | [unavailable] | [unavailable] | 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 | [unavailable] | [unavailable] | [unavailable] | A/B |
Saint Barthélemy | 230 V | [unavailable] | [unavailable] | [unavailable] | C/E |
Saint Kitts 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 | [unavailable] | [unavailable] | [unavailable] | C/E |
Saint Helena | 230 V | [unavailable] | [unavailable] | [unavailable] | 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 | [unavailable] | [unavailable] | [unavailable] | 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 |
There are approximately 40 countries that use 60 Hz while the rest typically run on 50 Hz current. Single-phase power is primarily for residential use (such as homeowners and what you would find in a hotel) while 3-phase electric power provides more stable, heavy-duty power for most industrial applications like manufacturing plants, commercial facilities, data centers, telecom towers, hospitals, food processing, and utility power plants.
Some applications use specialized higher voltages (such as 4160 V or 13,400 V) but these are on a more unique basis and typically involve transformers so those are not included. When considering a backup power generator, keep in mind that the frequency can often be changed by an accomplished power generation technician or electrical contractor but you do typically see a performance loss on most generator sets when you convert from 60 hertz to 50 hertz. This is mainly because you have to slow the engine RPM down and make adjustments so the overall kW or kVA output will be lower. The opposite is also true – you can sometimes gain kW when you convert from 50 Hz to 60 Hz because you speed the engine RPM up. The number of wires and plugs used varies greatly by region since each country is evolving their electrical grids at a different rate and over time so these are only provided as a good starting point and general guide.
Why Do Some Countries Use 50 Hz and Others 60 Hz?
The split between 50 Hz and 60 Hz power systems across the globe is a quirky relic of early electrical engineering, rooted in competing industrial ambitions and practical choices made over a century ago. It’s not just a technical detail—it’s a story of innovation, rivalry, and legacy.
Back in the late 1800s, electricity was the new frontier. Europe, led by German engineers at companies like AEG, leaned toward 50 Hz. Why? It was a practical sweet spot. Early generators, tied to steam engines or water turbines, operated at speeds that naturally aligned with 50 cycles per second. This frequency worked well for bulky transformers and motors of the era, balancing efficiency with the limits of iron-core technology. Plus, 50 Hz flickered less noticeably in early arc lamps, a big deal for lighting up factories and streets.
Across the Atlantic, American engineers, notably at Westinghouse, championed 60 Hz. The choice wasn’t random—60 Hz allowed slightly smaller, lighter transformers, which cut costs for sprawling U.S. power grids. It also synced nicely with the 60-second clock, simplifying some electrical calculations. Westinghouse’s team, backed by Nikola Tesla’s AC system, locked in 60 Hz as the U.S. standard by the 1890s, especially after high-profile projects like the Niagara Falls power plant.
So why the global divide? Colonial and industrial influence. European countries spread 50 Hz to their colonies—think India, Australia, and much of Africa. Meanwhile, the U.S. and its allies, like Japan and parts of South America, adopted 60 Hz. Some nations, like Japan, even ended up with both due to regional utility differences! Over time, these standards calcified. Switching frequencies now would mean rewiring entire grids—a costly, chaotic endeavor.
This 50/60 Hz split fascinates because it shows how early tech decisions, driven by practical needs and corporate battles, still shape our world. Next time you plug in a generator, you’re tapping into a century-old tug-of-war between engineering giants.
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