| Country | 3-φ Voltage | Frequency | Number of wires (not including the ground wire) |
|---|---|---|---|
| Afghanistan | 380 V | 50 Hz | 4 |
| Albania | 400 V | 50 Hz | 4 |
| Algeria | 400 V | 50 Hz | 4 |
| American Samoa | 208 V | 60 Hz | 3, 4 |
| Andorra | 400 V | 50 Hz | 3, 4 |
| Anguilla | 120/208 V / 127/220 V / 240/415 V | 60 Hz | 3, 4 |
| Angola | 380 V | 50 Hz | 4 |
| Antigua | 400 V | 60 Hz | 3, 4 |
| Argentina | 380 V | 50 Hz | 3, 4 |
| Armenia | 380 V | 50 Hz | 4 |
| Aruba | 220 V | 60 Hz | 3, 4 |
| Australia | 415 V | 50 Hz | 3, 4 |
| Austria | 400 V | 50 Hz | 3, 4 |
| Azerbaijan | 380 V | 50 Hz | 4 |
| Azores | 400 V | 50 Hz | 3, 4 |
| Bahamas | 208 V | 60 Hz | 3, 4 |
| Bahrain | 400 V | 50 Hz | 3, 4 |
| Balearic Islands | 400 V | 50 Hz | 3, 4 |
| Bangladesh | 380 V | 50 Hz | 3, 4 |
| Barbados | 200 V | 50 Hz | 3, 4 |
| Belarus | 380 V | 50 Hz | 4 |
| Belgium | 400 V | 50 Hz | 3, 4 |
| Belize | 190 V / 380 V | 60 Hz | 3, 4 |
| Benin | 380 V | 50 Hz | 4 |
| Bermuda | 208 V | 60 Hz | 3, 4 |
| Bhutan | 400 V | 50 Hz | 4 |
| Bolivia | 400 V | 50 Hz | 4 |
| Bosnia & Herzegovina | 400 V | 50 Hz | 4 |
| Botswana | 400 V | 50 Hz | 4 |
| Brazil | 220 V / 380 V | 60 Hz | 3, 4 |
| Brunei | 415 V | 50 Hz | 4 |
| Bulgaria | 400 V | 50 Hz | 4 |
| Burkina Faso | 380 V | 50 Hz | 4 |
| Burundi | 380 V | 50 Hz | 4 |
| Cambodia | 400 V | 50 Hz | 4 |
| Cameroon | 380 V | 50 Hz | 4 |
| Canada | 120/208 V / 240 V / 480 V / 347/600 V | 60 Hz | 3, 4 |
| Canary Islands | 400 V | 50 Hz | 3, 4 |
| Cape Verde | 400 V | 50 Hz | 3, 4 |
| Cayman Islands | 240 V | 60 Hz | 3 |
| Central African Republic | 380 V | 50 Hz | 4 |
| Chad | 380 V | 50 Hz | 4 |
| Channel Islands (Guernsey & Jersey) | 400 V | 50 Hz | 4 |
| Chile | 380 V | 50 Hz | 3, 4 |
| China, People’s Republic of | 380 V | 50 Hz | 3, 4 |
| Colombia | 220 V / 440 V | 60 Hz | 3, 4 |
| Comoros | 380 V | 50 Hz | 4 |
| Congo, People’s Rep. of | 400 V | 50 Hz | 3, 4 |
| Congo, Dem. Rep. of (formerly Zaire) | 380 V | 50 Hz | 3, 4 |
| Cook Islands | 415 V | 50 Hz | 3, 4 |
| Costa Rica | 240 V | 60 Hz | 3, 4 |
| Côte d’Ivoire (Ivory Coast) | 380 V | 50 Hz | 3, 4 |
| Croatia | 400 V | 50 Hz | 4 |
| Cuba | 190 V | 60 Hz | 3 |
| Cyprus | 400 V | 50 Hz | 4 |
| Czech Republic | 400 V | 50 Hz | 3, 4 |
| Denmark | 400 V | 50 Hz | 3, 4 |
| Djibouti | 380 V | 50 Hz | 4 |
| Dominica | 400 V | 50 Hz | 4 |
| Dominican Republic | 120/208 V / 277/480 V | 60 Hz | 3, 4 |
| East Timor | 380 V | 50 Hz | 4 |
| Ecuador | 208 V | 60 Hz | 3, 4 |
| Egypt | 380 V | 50 Hz | 3, 4 |
| El Salvador | 200 V | 60 Hz | 3 |
| Eritrea | 400 V | 50 Hz | 4 |
| Estonia | 400 V | 50 Hz | 4 |
| Ethiopia | 380 V | 50 Hz | 4 |
| Faeroe Islands | 400 V | 50 Hz | 3, 4 |
| Falkland Islands | 415 V | 50 Hz | 4 |
| Fiji | 415 V | 50 Hz | 3, 4 |
| Finland | 400 V | 50 Hz | 3, 4 |
| France | 400 V | 50 Hz | 4 |
| French Guyana | 380 V | 50 Hz | 3, 4 |
| Gabon | 380 V | 50 Hz | 4 |
| Gambia | 400 V | 50 Hz | 4 |
| Gaza | 400 V | 50 Hz | 4 |
| Georgia | 380 V | 50 Hz | 4 |
| Germany | 400 V | 50 Hz | 4 |
| Ghana | 400 V | 50 Hz | 3, 4 |
| Gibraltar | 400 V | 50 Hz | 4 |
| Great Britain | 400 V | 50 Hz | 4 |
| Greece | 400 V | 50 Hz | 4 |
| Greenland | 400 V | 50 Hz | 3, 4 |
| Grenada (Windward Islands) | 400 V | 50 Hz | 4 |
| Guadeloupe | 400 V | 50 Hz | 3, 4 |
| Guam | 190 V | 60 Hz | 3, 4 |
| Guatemala | 208 V | 60 Hz | 3, 4 |
| Guinea | 380 V | 50 Hz | 3, 4 |
| Guinea-Bissau | 380 V | 50 Hz | 3, 4 |
| Guyana | 190 V | 60 Hz | 3, 4 |
| Haiti | 190 V | 60 Hz | 3, 4 |
| Honduras | 190 V | 60 Hz | 3 |
| Hong Kong | 380 V | 50 Hz | 3, 4 |
| Hungary | 400 V | 50 Hz | 3, 4 |
| Iceland | 400 V | 50 Hz | 3, 4 |
| India | 400 V | 50 Hz | 4 |
| Indonesia | 400 V | 50 Hz | 4 |
| Iran | 400 V | 50 Hz | 3, 4 |
| Iraq | 400 V | 50 Hz | 4 |
| Ireland (Eire) | 400 V | 50 Hz | 4 |
| Isle of Man | 400 V | 50 Hz | 4 |
| Israel | 400 V | 50 Hz | 4 |
| Italy | 400 V | 50 Hz | 4 |
| Jamaica | 190 V | 50 Hz | 3, 4 |
| Japan | 200 V | Tokyo, Kawasaki, Sapporo, Yokohama, Sendai 50 Hz | 3 |
| Osaka, Kyoto, Nagoya, Hiroshima 60 Hz | |||
| Jordan | 400 V | 50 Hz | 3, 4 |
| Kenya | 415 V | 50 Hz | 4 |
| Kazakhstan | 380 V | 50 Hz | 3, 4 |
| Korea, North | 220 V / 380 V | 60 Hz | 3, 4 |
| Korea, South | 380 V | 60 Hz | 4 |
| Kosovo | 230 V / 380 V | 50 Hz | 3 |
| Kuwait | 415 V | 50 Hz | 4 |
| Kyrgyzstan | 380 V | 50 Hz | 3, 4 |
| Laos | 400 V | 50 Hz | 4 |
| Latvia | 400 V | 50 Hz | 4 |
| Lebanon | 400 V | 50 Hz | 4 |
| Lesotho | 380 V | 50 Hz | 4 |
| Liberia | 208 V | 60 Hz | 3, 4 |
| Libya | 220 V / 400 V | 50 Hz | 4 |
| Liechtenstein | 400 V | 50 Hz | 4 |
| Lithuania | 400 V | 50 Hz | 4 |
| Luxembourg | 400 V | 50 Hz | 4 |
| Macau | 380 V | 50 Hz | 3 |
| Macedonia | 400 V | 50 Hz | 4 |
| Madagascar | 220 V / 380 V | 50 Hz | 3, 4 |
| Madeira | 400 V | 50 Hz | 3, 4 |
| Malawi | 400 V | 50 Hz | 3, 4 |
| Malaysia | 415 V | 50 Hz | 4 |
| Maldives | 400 V | 50 Hz | 4 |
| Mali | 380 V | 50 Hz | 3, 4 |
| Malta | 400 V | 50 Hz | 4 |
| Martinique | 380 V | 50 Hz | 3, 4 |
| Mauritania | 220 V | 50 Hz | 3 |
| Mauritius | 400 V | 50 Hz | 4 |
| Mexico | 220 V / 480 V | 60 Hz | 3, 4 |
| Moldova | 380 V | 50 Hz | 4 |
| Monaco | 400 V | 50 Hz | 4 |
| Mongolia | 400 V | 50 Hz | 4 |
| Montenegro | 400 V | 50 Hz | 3, 4 |
| Montserrat (Leeward Islands) | 400 V | 60 Hz | 4 |
| Morocco | 380 V | 50 Hz | 4 |
| Mozambique | 380 V | 50 Hz | 4 |
| Myanmar (formerly Burma) | 400 V | 50 Hz | 4 |
| Namibia | 380 V | 50 Hz | 4 |
| Nauru | 415 V | 50 Hz | 4 |
| Nepal | 400 V | 50 Hz | 4 |
| Netherlands | 400 V | 50 Hz | 3 |
| Netherlands Antilles | 220 V / 380 V | 50 Hz | 3, 4 |
| New Caledonia | 380 V | 50 Hz | 3, 4 |
| New Zealand | 400 V | 50 Hz | 3, 4 |
| Nicaragua | 208 V | 60 Hz | 3, 4 |
| Niger | 380 V | 50 Hz | 4 |
| Nigeria | 400 V | 50 Hz | 4 |
| Norway | 230 V / 400 V | 50 Hz | 3, 4 |
| Oman | 415 V | 50 Hz | 4 |
| Pakistan | 400 V | 50 Hz | 3 |
| Palau | 208 V | 60 Hz | 3 |
| Panama | 240 V | 60 Hz | 3 |
| Papua New Guinea | 415 V | 50 Hz | 4 |
| Paraguay | 380 V | 50 Hz | 4 |
| Peru | 220 V | 60 Hz | 3 |
| Philippines | 380 V | 60 Hz | 3 |
| Poland | 400 V | 50 Hz | 4 |
| Portugal | 400 V | 50 Hz | 3, 4 |
| Puerto Rico | 208 V | 60 Hz | 3, 4 |
| Qatar | 415 V | 50 Hz | 3, 4 |
| Réunion Island | 400 V | 50 Hz | 4 |
| Romania | 400 V | 50 Hz | 4 |
| Russia (Russian Federation) | 400 V | 50 Hz | 4 |
| Rwanda | 400 V | 50 Hz | 4 |
| Saint Kitts and Nevis | 400 V | 60 Hz | 4 |
| Saint Lucia | 400 V | 50 Hz | 4 |
| Saint Vincent and the Grenadines | 400 V | 50 Hz | 4 |
| San Marino | 400 V | 50 Hz | 4 |
| São Tomé and Príncipe | 380 V | 60 Hz | 3, 4 |
| Saudi Arabia | 220 V / 380 V | 60 Hz | 4 |
| Senegal | 400 V | 50 Hz | 3, 4 |
| Serbia | 400 V | 50 Hz | 3, 4 |
| Seychelles | 240 V | 50 Hz | 3 |
| Sierra Leone | 400 V | 50 Hz | 4 |
| Singapore | 400 V | 50 Hz | 4 |
| Slovakia | 400 V | 50 Hz | 4 |
| Slovenia | 400 V | 50 Hz | 3, 4 |
| Somalia | 380 V | 50 Hz | 3, 4 |
| South Africa | 400 V | 50 Hz | 3, 4 |
| South Korea | 380 V | 60 Hz | 4 |
| South Sudan | 400 V | 50 Hz | 4 |
| Spain | 400 V | 50 Hz | 3, 4 |
| Sri Lanka | 400 V | 50 Hz | 4 |
| Sudan | 400 V | 50 Hz | 4 |
| Suriname | 220 V | 60 Hz | 3, 4 |
| Swaziland | 400 V | 50 Hz | 4 |
| Sweden | 400 V | 50 Hz | 3, 4 |
| Switzerland | 400 V | 50 Hz | 3, 4 |
| Syria | 380 V | 50 Hz | 3 |
| Tahiti | 380 V | 50 Hz / 60 Hz | 3, 4 |
| Tajikistan | 380 V | 50 Hz | 3 |
| Taiwan | 220 V | 60 Hz | 4 |
| Tanzania | 400 V | 50 Hz | 3, 4 |
| Thailand | 400 V | 50 Hz | 3, 4 |
| Togo | 380 V | 50 Hz | 4 |
| Tonga | 415 V | 50 Hz | 3, 4 |
| Trinidad & Tobago | 200 V | 60 Hz | 3, 4 |
| Tunisia | 400 V | 50 Hz | 4 |
| Turkey | 400 V | 50 Hz | 3, 4 |
| Turkmenistan | 380 V | 50 Hz | 3 |
| Turks and Caicos Islands | 240 V | 60 Hz | 4 |
| Uganda | 415 V | 50 Hz | 4 |
| Ukraine | 380 V | 50 Hz | 4 |
| United Arab Emirates | 415 V | 50 Hz | 3, 4 |
| United Kingdom (UK) | 400 V | 50 Hz | 4 |
| United States of America (USA) | 120/208 V / 277/480 V / 120/240 V / 240 V / 480 V | 60 Hz | 3, 4 |
| Uruguay | 220 V | 50 Hz | 3 |
| Uzbekistan | 380 V | 50 Hz | 4 |
| Venezuela | 240 V | 60 Hz | 3, 4 |
| Vietnam | 380 V | 50 Hz | 4 |
| Virgin Islands | 190 V | 60 Hz | 3, 4 |
| Western Samoa | 400 V | 50 Hz | 3 |
| Yemen | 400 V | 50 Hz | 4 |
| Zambia | 400 V | 50 Hz | 4 |
| Zimbabwe | 415 V | 50 Hz | 3, 4 |
Triple E Bangla
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