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Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to appliances, equipment, and lighting typically found in homes and offices. (For industrial machinery, see Industrial and multiphase power plugs and sockets.) Some countries have more than one voltage available (notably North America which uses the split-phase system where most sockets are attached to a 120 V supply, but there is a 240 V supply available for appliances requiring greater power). Sometimes different plugs are mandated for different voltage or current levels.

Voltage, frequency, and plug type vary widely, but large regions may use common standards. Physical compatibility of receptacles may not ensure compatibility of voltage, frequency, or connection to earth (ground), including plugs and cords. In some areas, older standards may still exist. Foreign enclaves, extraterritorial government installations, or buildings frequented by tourists may support plugs not otherwise used in a country, for the convenience of travellers.

Main reference source—IEC World Plugs

The International Electrotechnical Commission publishes a web microsite World Plugs which provides the main source for this page, except where other sources are indicated. World Plugs includes some history, a description of plug types, and a list of countries giving the type(s) used and the mains voltage and frequency.

Although useful for quick reference, especially for travellers, IEC World Plugs may not be regarded as totally accurate, as illustrated by the examples in the plugs section below, and errors may exist, such as Indonesia being listed as using both 220 V and 110 V when the Indonesian Standard SPLN 1 clearly states the voltage as 230 V, and the official travel website says "electric power supply is 220 volts in all regions."

Voltages

Voltages in this article are the nominal single-phase supply voltages, or split-phase supply voltages. Three-phase and industrial loads may have other voltages.

All voltages are root mean square voltage; the peak AC voltage is greater by a factor of √2, and the peak-to-peak voltage greater by a factor of 2√2.

Plugs

The system of plug types using a single letter (from A to N) used here is from World Plugs, which defines the plug type letters in terms of a general description, without making reference to specific standards. Where a plug does not have a specific letter code assigned to it, then it may be defined by the style sheet number listed in IEC TR 60083. World Plugs gives a (not always correct) list of what plug types are used where. The Type N description is of the two variations of Brazilian plug (Brazilian national standard NBR 14136); however, the original plug and socket is defined in IEC 60906-1 and has been adopted as a South African national Standard (SANS 164-2). The Brazilian version is non-compliant with the IEC standard. Not all plugs are included in the letter system; for example, there is no designation for the plugs defined by the Thai National Standard TIS 116-2549, though some web sites refer to the three-pin plug described in that standard as "Type O".

Identification guide

• Type A (NEMA 1–15 U.S. 2 pin)
  max 125 V AC, max rating 15A
• Type B (NEMA 5–15 U.S. 3 pin)
  max 125 V AC, max rating 15 A
  and IEC standard 60906-2
• Type C (CEE 7/16 Europlug)
• CEE 7/17 2-pin plug & CEE 7/1 socket
• Type D (BS 546 5 A)
• Type E (French) CEE 7/6 plug & CEE 7/5 socket, 16A
• Type F ("Schuko") CEE 7/4 plug & CEE 7/3 socket, 16A
• CEE 7/7 plug, (combines earthing methods of Type E & Type F)
• Type G (BS1363 UK)
• Type H (SI 32 Israel)
• Type I (Australian AS/NZS 3112); Argentinian version has reversed polarity compared to Chinese and Australian versions
• Type J (SEV-1011 Switzerland), 10A
• Type K (SRAF 1962/DB Denmark)
• Type L (CEI 23-50)
• Type M (15 A BS 546)
• Type N (Brazilian NBR 14136)
• Thai TIS 166-2549 mains plug, sometimes known as Type O
• "So-called "universal socket" which meets no standard but accepts a number of different plug types.(criticized as unsafe)

Table of mains voltages, frequencies, and plugs

This article is missing information about tolerances that allow compatibility across e.g. 230 V and 240 V systems. Please expand the article to include this information. Further details may exist on the talk page. (May 2018)

1. "C" may indicate that buildings have three-pin sockets compatible with Europlugs, which also work with other plug types or that buildings have some or all two-pin European style sockets, similar to CEE 7/1, or that use of an adaptor is common practice. Not all two-pin European plugs are compatible with all two-pin European sockets; see AC power plugs and sockets § Compatibility.

See also

• AC power
• AC power plugs and sockets
• Alternating current
• Delta-wye transformer
• Electrical wiring
• Electricity
• Electric power transmission
• Electrification
• Electric grid
• List of railway electrification systems
• Mains electricity
• NEMA connector
• Telephone plug
• Utility frequency

References

1. World Plugs. International Electrotechnical Commission (IEC). Retrieved on 2018-06-05.
2. ^ SPLN 1 : 1995, Standar PLN. "Tegangan-tegangan Standar". Archived from the original on 4 December 2013. Retrieved 1 December 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)CS1 maint: numeric names: authors list (link)
3. http://www.indonesia.travel/gb/en/before-you-go
4. ^ IEC/TR 60083 ed7.0: Plugs and socket-outlets for domestic and similar general use standardized in member countries of IEC. International Electrotechnical Commission, October 2015. This 421-page technical report describes many national standards for domestic plugs and sockets. The first edition was published in January 1957. The 7th edition was approved in December 2012 and was published on 29th October 2015.
5. "Universal AC Outlet • Setup Guide" (PDF). Anaheim, CA, USA: Extron Electronics. November 2017. 68-1638-01 Rev. F. Retrieved 2018-05-21.
6. ^ Cite error: The named reference iec_list was invoked but never defined (see the help page).
7. AS60038-2012 Standards Australia – Standard Voltages
8. When voltage varies. Electrical connection (2012-10-22). Retrieved on 2014-05-24.
9. ^ "Standard Voltages". docs.cntd.ru. Document gost-29322-92 via Google Translate: "The nominal voltages of the existing 220/380 and 240/415 V networks should be reduced to the recommended value of 230/400 V. Until 2003, as a first stage, power supply companies in countries with a 220/380 V network should lead the voltage to The value of 230/400 V (GOST 29322-92 (IEC 38-83) Standard voltage%). Electricity supply companies in countries with 240/415 V network should also bring this voltage to the value 230/400 V (GOST 29322-92 (IEC 38-83) Standard voltage%). After 2003, the range of 230/400 V ± 10% should be reached. Then, the issue of reducing the limits will be considered."
10. Brasil. Decreto n. 41.019, de 26 de fev. de 1957. Regulamenta os serviços de energia elétrica, BR: BR Government, 1957
11. Brasil. Lei n. 4.454, de 06 de nov. de 1964. Dispõe sobre a unificação de frequência da corrente elétrica no País, BR: BR Government, 1964
12. CSA Standard C22.2 No. 42-10: General use receptacles, attachment plugs, and similar wiring devices. Mississauga, Ontario: Canadian Standards Association. 2010. p. 1.
13. CAN3-C235-83: Preferred Voltage Levels for AC Systems, 0 to 50 000 V. Rexdale (Toronto), Ontario: Canadian Standards Association. 1983. p. 9.
14. C22.1-18: Canadian Electrical Code, Part 1. Toronto, Ontario: Canadian Standards Association. 2018. p. 243.
16. ^ "Curaçao Utilities". Curaçao Tourist Board. Retrieved 28 June 2017.
17. Cuba: Electricity - TripAdvisor
18. Dansk Standard. "DS 60884-2-D1:2011 - Plugs and socket-outlets for household and similar purposes - Requirements for Danish systems". webshop.ds.dk.
19. (PDF)(french) Page 10, Article 9
20. ^ History of Guyana Power and Light. Gplinc.com. Retrieved on 2014-01-01.
21. GPL Converting Parts of the City to 60 Hz, retrieved 2009 July 31. Stabroeknews.com (2009-07-10). Retrieved on 2014-01-01.
22. "Code of Practice for the Electricity (Wiring) Regulations" (PDF). Electrical and Mechanical Services Department. p. 221. Retrieved 28 May 2016.
23. October 2005. IS 1293 - Indian Standard - PLUGS AND SOCKET-OUTLETS OF RELATED VOLTAGE UP TO AND INCLUDING 250 VOLTS AND RATED CURRENT YP TO AND INCLUDING 16 AMPERES -- SPECIFICATION. Bureau of Indian Standards.
24. I.S. 401, "Safety requirements for rewirable and non-rewirable 13A fused plugs for normal and rough use having insulating sleeves on line and neutral pins", NSAI (National Standards Authority of Ireland), (1997), Dublin
25. Standard Conditions of Supply of Electricity. (Macau). Archived from the original 2016-06-03. Retrieved on 2016-04-14
26. ^ Plug Top/Plug (15 A and below) -Energy Commission of Malaysia. Archived from the original 2015-01-07.
27. GUIDELINES FOR ELECTRICAL WIRING IN RESIDENTIAL BUILDINGS - 2008 EDITION. www.st.gov.my. Energy Commission of Malaysia.
28. Voltan Nominal. Malaysian Energy Commission Notice (Nominal Voltage - 2008-01-01). Retrieved on 2014-07-14
29. ^ Socket Outlet (15 A and below) Archived 2015-01-07 at the Wayback Machine Energy Commission of Malaysia. (MS 1579:2003 is adaptor for Europlugs.)
30. Dilwyn Jenkins, The Rough Guide to Peru 2003 Rough Guides, ISBN 1-84353-074-0, p. 57
31. Philippine Electrical Code, section 2.20.1.5 (a)
32. ГОСТ 7396.1–89 - Plugs (Electrical) and socket-outlets for domestic and similar general use. Standards. Elec.ru (2013-01-30). Retrieved on 2013-02-05.
33. www.pucsl.gov.lk/english/news/press-release-new-standards-for-13a-plugs-and-socket-outlets-manufactures-importers/
34. "Information SEV 1011 – power socket/plug/connector" (PDF). esti.admin.ch (PDF). Federal Inspectorate for Heavy Current Installations ESTI, Swiss Confederation. 1 August 2011. Archived from the original (PDF) on 25 April 2012. Retrieved 2014-08-22. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
35. "New standard for plugs in Switzerland starting from 2013" (PDF) (PDF). Federal Inspectorate for Heavy Current Installations ESTI, Swiss Confederation. 13 May 2011. Retrieved 2014-08-22.
36. TIS 166-2549 (2006): Thai Industrial Standards for Plugs and socket-outlets for household and similar purposes : plugs and socket-outlets with rated voltage not exceeding 250 V (English translation) Archived from the original 2016-07-07.
37. TIS 166-2549 (2006) THAI INDUSTRIAL STANDARD - PLUGS AND SOCKET–OUTLETS FOR HOUSEHOLD AND SIMILAR PURPOSES : PLUGS AND SOCKET–OUTLETS WITH RATED VOLTAGE NOT EXCEEDING 250 V (Original Thai) ISBN 974-9815-94-7
38. Turkish Electric Plugs & Sockets. Retrieved on 2017-03-26.
39. ДСТУ ЕN 50160:2014
40. Mullins, Malcolm (Spring 2006). "The Origin of the BS 1363 Plug and Socket-Outlet System". IEE Wiring Matters. Institute of Electrical Engineers. Retrieved 2016-10-16.
41. The Electricity Safety, Quality and Continuity Regulations 2002 PART VII Regulation 27, UK: UK Government, 2002

v t e Electricity delivery
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Sources	Non-renewable Fossil fuel power station Coal Natural gas Oil shale Petroleum Nuclear Renewable Biofuel Biogas Biomass Geothermal Hydro Marine Current Osmotic Thermal Tidal Wave Solar Sustainable biofuel Wind
Generation	AC power Cogeneration Combined cycle Cooling tower Induction generator Micro CHP Microgeneration Rankine cycle Three-phase electric power Virtual power plant
Transmission and distribution	Demand response Distributed generation Dynamic demand Electric power distribution Electric power system Electric power transmission Electrical busbar system Electrical grid Electrical substation Electricity retailing High-voltage direct current High-voltage shore connection Interconnector Load management Mains electricity by country Overhead power line Power station Pumped hydro Single-wire earth return Smart grid Super grid Transformer Transmission system operator (TSO) Transmission tower Utility pole
Failure modes	Black start Brownout Cascading failure Power outage Rolling blackout
Protective devices	Arc-fault circuit interrupter Circuit breaker Earth-leakage Sulfur hexafluoride Generator interlock kit Numerical relay Power system protection Protective relay Residual-current device (GFI)
Economics and policies	Availability factor Capacity factor Carbon offsets and credits Cost of electricity by source Energy subsidies Environmental tax Feed-in tariff Fossil fuel phase-out Load factor Net metering Pigouvian tax Renewable Energy Certificates Renewable energy commercialization Renewable Energy Payments Spark/Dark/Quark/Bark spread
Statistics and production	Electric energy consumption List of electricity sectors
Category

External links

• Electrical systems travel guide from Wikivoyage
• Guide to Electrical Equipment for Travelers at Wikibooks

• Electrical standards
• Electric power
• Electricity
• Mains power connectors
• Energy-related lists by country
• Electrical wiring