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Global Voltage and Frequency (Hz) Standards Chart

Global Voltage and Frequency (Hz) Standards Chart

Understanding global electricity standards is crucial for various industries, including electric vehicle charging stations and international manufacturing. Here’s a concise overview:

Voltage and Frequency Variations

Approximately 40 countries use 60 Hz frequency, while the rest typically operate on 50 Hz.

Single-phase power is common in residential settings, while three-phase power is utilized for industrial applications, providing stable, heavy-duty power.

Voltage and Frequency Variations, Standards Chart

Specialized Voltage Applications

Some applications require higher voltages, such as 4160 V or 13,400 V, often involving transformers for unique setups.

Backup power generators can adjust frequency, but there may be performance losses when converting between 60 Hz and 50 Hz due to engine RPM adjustments.

Regional Differences and Plug Types

The number of wires and plugs used varies by region due to evolving electrical grid standards.

While these standards serve as a general guide, variations exist across countries and regions, impacting international electrical compatibility.

Regional Differences and Plug Types,Global Voltage and Frequency (Hz) Standards Chart

 

Global Voltage and Frequency Data

Global Voltage and Frequency Data
Country Single-Phase Voltage Three-Phase Voltage Frequency (HZ) # 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 [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 (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 [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 (informally also referred to as Saint Barth’s or Saint Barts) 230 V [unavailable] [unavailable] [unavailable] 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 [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

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