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List of Voltages & Frequencies (Hz) Around the World

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. 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. 

Download-Chart-to-PDF.pdf

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

[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