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Voltages and Frequencies

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Global Electrical Standards: What Industry Professionals Need to Know

Determining international power compatibility can be a challenge, which is why Worldwide Power Distribution is committed to helping our customers overcome these obstacles. The global voltages and frequencies chart below is an essential resource for anyone renting equipment, planning installations, or setting up temporary facilities worldwide. With WPD’s experience in providing rental distribution equipment, customers can confidently navigate the differences in electrical standards and ensure project success wherever their business is operating.

Why It Is Important

The variations in voltage and frequency across countries are critical operational factors for anyone managing international projects, industrial equipment, or global facilities. These standards originated in the late 1800s, during the era of Tesla and Edison, and have become deeply embedded in each region’s infrastructure.

For engineers, facility managers, and technical teams, understanding these standards is essential to ensure safety, compatibility, and uninterrupted operations. This guide provides detailed references for dozens of countries, including:

  • Single-phase voltage: standard for residential and light commercial loads
  • Three-phase voltage: used for industrial machinery and high-capacity systems
  • Frequency (Hz): affects motor speed, timing circuits, and power conversion
  • Number of wires: configuration for each voltage level (excluding ground, see country details)
  • Plug type: important for equipment connectivity and adapter selection

Examples:

  • United States and Canada: Single-phase 120/240V at 60Hz for residences; three-phase 277/480V for commercial or industrial loads.
  • Most of Europe, Australia, and China: 50Hz standard, with voltage levels varying by region.

*Note: Wire counts and plug types are general references. Local standards may vary.

Whether preparing equipment for export, designing multi-region installations, or planning international site operations, this resource provides technical teams with accurate electrical data needed to avoid costly downtime or equipment failure.

Search By Country

Begin your search by typing the country name below:

Country Single-Phase Voltage
(Volts)		 Three-Phase Voltage
(Volts)		 Frequency
(Hertz)		 Number 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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