HomeMethodology

Data sources and methodology

Every plug type, voltage and frequency on this site comes from a recorded source. Nothing is typed from memory, and the same dataset drives every page and every verdict.

Primary source

The International Electrotechnical Commission's World Plugs dataset, which listed socket types, voltage and frequency for 215 countries and territories. The IEC retired the interactive guide from its website in 2026; the last complete publication is preserved by the Internet Archive and is the copy used here.

IEC World Plugs, archived 28 November 2020: web.archive.org/web/20201128045354/https://www.iec.ch/world-plugs (retrieved 8 September 2026). Country table and the "Plug Details" type definitions (pin geometry, ratings and the physical-compatibility statements used for the fit verdicts) both come from this page.
IEC live page confirming the retirement: iec.ch/world-plugs (retrieved 8 September 2026).

Cross-check sources

WorldStandards, "Plug, socket & voltage by country", last updated by the publisher 7 September 2025: worldstandards.eu (retrieved 8 September 2026). Independent secondary source for every entry.
Wikipedia, "Mains electricity by country" (which cites the national plug standard for each row): en.wikipedia.org (retrieved 8 September 2026). Used only as the tie-break third vote.
Electrical Safety First (UK charity) travel pages, used as the second source for the few places absent from both the IEC dataset and Wikipedia: Marshall Islands South Sudan Vatican City Micronesia (retrieved 8 September 2026).

Resolution rules

Socket types are those listed by at least two of the three sources. A type listed by only one source is shown as "also reported" and is never used to tell you a plug fits.
Voltage is the majority figure. Where sources disagree only between 220, 230 and 240 V the entry is recorded as 230 V, the IEC 60038 nominal that all three describe; the values are interchangeable for travel purposes.
A country is recorded as mixed-voltage only when at least two sources list both voltage families, or an official national source says so.
Frequency is the majority figure.
The special cases below were checked individually against an official national source, which overrides the mechanical rules.
Places absent from the IEC dataset are included only where WorldStandards and a second independent source agree.

The rules are applied by a script in the repository, which also writes the discrepancy log below, so the site cannot drift from the sources without the log changing.

Special cases verified against official sources

Place	Source	What it establishes
Japan	Japan National Tourism Organization – Plug and electricity (retrieved 2026-09-08)	Japan runs on 100 V nationwide, lower than anywhere else. The frequency is split: 50 Hz in eastern Japan (Tokyo, Yokohama, Sapporo, Sendai) and 60 Hz in western Japan (Osaka, Kyoto, Nagoya, Hiroshima, Fukuoka). Sockets are mostly ungrounded Type A; grounded Type B sockets are uncommon outside newer buildings, so a US three-pin plug may need a 3-to-2 adapter. Japanese Type A pins are the same width, so a polarised US plug (one wide blade) may not fit an older Japanese socket.
Brazil	INMETRO – Por que foi criado o padrão brasileiro de plugues e tomadas (NBR 14136) (retrieved 2026-09-08)	Brazil has two mains voltages. Most of the south-east (São Paulo, Rio de Janeiro, Minas Gerais) and the north use 127 V; the south (Santa Catarina, most of Rio Grande do Sul) and much of the north-east use 220 V, and many cities mix both. Check the socket label or ask your host. Sockets are the three-pin NBR 14136 standard (Type N), mandatory since 2011, which also accepts two-pin Type C Europlugs; the older Type A/B sockets have largely been replaced.
Italy	CEI 23-50 (Italian national standard for plugs and sockets) – summary via Wikipedia, cross-checked with WorldStandards Type L page (retrieved 2026-09-08)	Italy's own standard is Type L (CEI 23-50), which comes in two incompatible sizes: 10 A (4 mm pins, 19 mm apart) and 16 A (5 mm pins, 26 mm apart). Most modern sockets are 'bipasso' (both L sizes plus Type C) or 'universal' (also Type E/F Schuko). Older buildings may only have narrow 10 A sockets, where a Schuko plug will not fit.
Switzerland	SN 441011 (SEV 1011) Swiss plug and socket standard – summary (retrieved 2026-09-08)	Switzerland uses Type J (SN 441011, formerly SEV 1011). Two-pin Type C Europlugs fit every Swiss socket. Grounded Schuko (Type F) and French (Type E) plugs do not fit the recessed hexagonal Type J socket. Type J looks like Brazil's Type N but they are not interchangeable.
Denmark	DS 60884-2-D1 / DS 107-2-D1 Danish plug standard – summary (retrieved 2026-09-08)	Denmark's own standard is Type K (DS 60884-2-D1). Type C Europlugs fit and work normally. Type E/F (Schuko and French) plugs physically fit a Type K socket but make no earth connection, so grounded appliances lose their safety earth. Schuko (Type F) sockets have been permitted in new installations since 2011 and French Type E sockets since 2008, but Type K remains by far the most common.
South Africa	Electrical Contractors Association (SA) – compulsory SANS 10142-1 socket-outlet regulation; SANS 164 summary (retrieved 2026-09-08)	South Africa is mid-transition. The large three-round-pin Type M (SANS 164-1) is still the most common socket. The compact Type N (SANS 164-2, the 'ZA plug') has been required in every new installation since January 2018 and is the intended replacement; Type N sockets also accept Type C Europlugs. Expect a mix of both, and carry a Type M adapter to be safe.
Thailand	TIS 166-2549: Plugs and socket-outlets for household and similar purposes (Thai Industrial Standards Institute, 2006) (retrieved 2026-09-08)	Thailand's official standard is Type O (TIS 166-2549), a three-round-pin plug rated 16 A. In practice most sockets are hybrids that take Type A, B and C plugs as well as Type O. Schuko (Type F) plugs fit the hybrid sockets but are not earthed, and sale of appliances with E/F plugs has been banned.
United Kingdom	Voltimum UK – Socket-outlets for shavers (BS 4573, BS EN 61558-2-5, BS 7671) (retrieved 2026-09-08)	The UK uses the fused three-rectangular-pin Type G plug (BS 1363) everywhere. The only exception is the shaver socket found in hotel bathrooms: a two-pin BS 4573 outlet, often switchable between 115 V and 230 V, limited to about 200 mA. It will run an electric shaver or toothbrush charger but nothing more powerful. Types D and M survive only for stage lighting and remotely switched lights.
Guyana	Guyana Power and Light Inc. – Who we are (retrieved 2026-09-08)	Guyana is unusual: the national utility supplies either 110 V or 220 V depending on the area, and both 50 Hz and 60 Hz exist on its grid. Check the socket label before plugging in anything single-voltage. Sockets are mostly Type A/B; Type D and G are also reported.
Indonesia	PLN nominal voltage (400/230 V) – WorldStandards and Wikipedia (SNI 04-3892.1.1-2003) agree; IEC 2020 dataset listed a legacy 110 V supply (retrieved 2026-09-08)	Indonesia (including Bali) is 230 V, 50 Hz with Type C and F sockets, the same as most of continental Europe. The 110 V figure in older references reflects legacy supplies that have been phased out.
Taiwan	CNS 690 / CNS 15767 (Taiwan) – WorldStandards and Wikipedia agree with the IEC dataset on 110 V / 60 Hz, A/B (retrieved 2026-09-08)	Taiwan uses 110 V, 60 Hz with US-style Type A and B sockets. Many older buildings have only ungrounded Type A sockets. A separate 220 V supply exists for air conditioners and ovens but is not used for ordinary sockets.
Liberia	Liberia Electricity Corporation – Specification 22 & 33 kV/LV Distribution Transformers (October 2021): 50 Hz, secondary 400 V; 120 V / 60 Hz per IEC dataset, Wikipedia and Electrical Safety First (retrieved 2026-09-08)	Liberia's supply is genuinely mixed. The national utility's current distribution standard is 230/400 V at 50 Hz, but the older 120 V, 60 Hz US-style supply still exists in much of Monrovia and the sources disagree on which you will meet. Sockets are a mix of US Type A/B and European Type C/F. Treat every socket as unknown until you read its label, and bring dual-voltage devices only.
Saint Vincent and the Grenadines	IEC World Plugs dataset (230 V, 50 Hz) and WorldStandards (230 V, 50 Hz; Petit Saint Vincent 110 V / 60 Hz), agreeing on the main-island figures (retrieved 2026-09-08)	Saint Vincent and the Grenadines runs on 230 V, 50 Hz with a mix of British Type G and US-style Type A/B sockets. The private resort island of Petit St Vincent is the exception at 110 V, 60 Hz.
Australia	WorldStandards (230 V officially, in practice often 240 V) and Wikipedia (AS/NZS 3112, 230/400 V); IEC dataset listed 240 V (retrieved 2026-09-08)	Australia's nominal supply is 230 V (AS 60038) although many areas still measure close to 240 V; either way it is in the same band as Europe. Sockets are Type I only. The same Type I plug is used in New Zealand, and fits sockets in China, Argentina and Papua New Guinea.

Plug compatibility

Which plug fits which socket comes from the IEC type definitions (for example: the Europlug "fits into any socket that accepts 4.0–4.8 mm round contacts on 19 mm centres"; "the Australian plug also works with sockets in China"; Type J "is incompatible with the Type N socket") plus the national standards for Denmark (Type E/F plugs enter Type K sockets without earth), Italy (bipasso and universal sockets), Switzerland (Europlug fits all Type J sockets), Thailand (hybrid A/B/C/O sockets) and South Africa (Type N sockets accept the Europlug). The full matrix is on the plug types page.

Update policy

Plug and voltage standards change rarely and slowly (South Africa's Type N transition and Thailand's Type O phase-in are the live examples). The dataset is re-verified against the sources above once a year, and immediately if a reader reports an error via the contact details. The site was built on 8 September 2026.

Discrepancy log

Generated automatically. IEC = archived IEC dataset, WS = WorldStandards, WK = Wikipedia. "R" numbers refer to the rules above.

Rules: R1 socket types = listed by at least two of the three sources; single-source types are kept as "also reported" and never used for a fit verdict. R2 voltage = majority figure; 220/230/240 disagreements harmonise to 230 V (IEC 60038 nominal). R3 a country is recorded as mixed-voltage only when at least two sources list both bands (or an official source does, via R5). R4 frequency = majority. R5 special cases are overridden from an official national source recorded in data/overrides.json. R6 entries absent from the IEC dataset use WorldStandards and Wikipedia agreement.

Entries: 226. Entries with at least one logged difference: 145.

Afghanistan (AF)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

American Samoa (AS)

types IEC=ABFI WS=AB WK=ABI → primary ABI, single-source F

Angola (AO)

types IEC=C WS=CF WK=CF → primary CF
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Anguilla (AI)

types IEC=A WS=AB WK=AB → primary AB

Antigua and Barbuda (AG)

voltage IEC=[230] WS=[110, 220] WK=[230] → 230 (R2-harmonised harmonised-230)

Argentina (AR)

types IEC=I WS=I WK=CI → primary I, single-source C
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Aruba (AW)

voltage IEC=[127] WS=[120] WK=[127] → 127 (R2 majority)

Australia (AU)

voltage IEC=[240] WS=[230, 240] WK=[230] → 230 (R2-harmonised harmonised-230)

Australia (AU)

R5 override (WorldStandards (230 V officially, in practice often 240 V) and Wikipedia (AS/NZS 3112, 230/400 V); IEC dataset listed 240 V): voltage: 230 → 230

Azerbaijan (AZ)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Bangladesh (BD)

types IEC=CDGK WS=ACDGM WK=ACDG → primary ACDG, single-source KM
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Belarus (BY)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Belize (BZ)

voltage IEC=[110, 220] WS=[110] WK=[110, 220] → [110, 220] (R3-mixed mixed)

Benin (BJ)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Bolivia (BO)

types IEC=AC WS=ABC WK=ABC → primary ABC

Brazil (BR)

voltage IEC=[127, 220] WS=[127, 220] WK=[127, 220] → [127, 220] (R3-mixed mixed)

Brazil (BR)

R5 override (INMETRO – Por que foi criado o padrão brasileiro de plugues e tomadas (NBR 14136)): plugTypes: ['C', 'N'] → ['C', 'N']; voltage: [127, 220] → [127, 220]; frequency: [60] → [60]

Burkina Faso (BF)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Burundi (BI)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Cambodia (KH)

types IEC=ACG WS=ABCFG WK=ACG → primary ACG, single-source BF

Cameroon (CM)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Canada (CA)

types IEC=AB WS=AB WK=ABEMN → primary AB, single-source EMN

Cape Verde (CV)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Central African Republic (CF)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Chad (TD)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Chile (CL)

types IEC=CL WS=CL WK=CFL → primary CL, single-source F
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

China (CN)

types IEC=ACI WS=AI WK=AI → primary AI, single-source C
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Colombia (CO)

voltage IEC=[110] WS=[110] WK=[120, 208, 240, 277, 480] → 110 (R2 majority)

Comoros (KM)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Cuba (CU)

types IEC=AB WS=AB WK=ABCL → primary AB, single-source CL
voltage IEC=[110] WS=[120] WK=[110] → 110 (R2 majority)

Curaçao (CW)

not in IEC dataset (R6): WS=AB WK=ABF → AB; voltage 127; [50] Hz

Cyprus (CY)

voltage IEC=[240] WS=[230] WK=[240] → 230 (R2-harmonised harmonised-230)

DR Congo (CD)

types IEC=CDE WS=CE WK=- → primary CE, single-source D
voltage IEC=[220] WS=[230] WK=None → 230 (R2-harmonised harmonised-230)

Denmark (DK)

R5 override (DS 60884-2-D1 / DS 107-2-D1 Danish plug standard – summary): plugTypes: ['C', 'E', 'F', 'K'] → ['C', 'F', 'K']; alsoReported: [] → ['E']

Djibouti (DJ)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Dominican Republic (DO)

types IEC=AB WS=AB WK=ABC → primary AB, single-source C
voltage IEC=[110] WS=[120] WK=[120, 277] → 120 (R2 majority)

Egypt (EG)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

El Salvador (SV)

voltage IEC=[115] WS=[120] WK=[115] → 115 (R2 majority)

Equatorial Guinea (GQ)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Eritrea (ER)

types IEC=CL WS=CEL WK=CL → primary CL, single-source E

Eswatini (SZ)

types IEC=M WS=CMN WK=M → primary M, single-source CN

Ethiopia (ET)

types IEC=CFL WS=CFG WK=CEFL → primary CFL, single-source EG
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

French Guiana (GF)

types IEC=CDE WS=CE WK=CE → primary CE, single-source D
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Gabon (GA)

types IEC=C WS=CE WK=CE → primary CE
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Georgia (GE)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Gibraltar (GI)

voltage IEC=[240] WS=[230] WK=[240] → 230 (R2-harmonised harmonised-230)

Guadeloupe (GP)

types IEC=CDE WS=CE WK=CE → primary CE, single-source D

Guernsey (GG)

not in IEC dataset (R6): WS=G WK=G → G; voltage 230; [50] Hz

Guinea (GN)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Guinea-Bissau (GW)

types IEC=C WS=CF WK=CEF → primary CF, single-source E
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Guyana (GY)

voltage IEC=[240] WS=[110, 220] WK=[190, 240] → 240 (R2 majority)
frequency IEC=[60] WS=[50, 60] WK=[60] → [60] (majority)

Guyana (GY)

R5 override (Guyana Power and Light Inc. – Who we are): plugTypes: ['A', 'B', 'D', 'G'] → ['A', 'B']; alsoReported: [] → ['D', 'G']; voltage: 240 → [110, 220]; frequency: [60] → [50, 60]

Honduras (HN)

voltage IEC=[110] WS=[120] WK=[120] → 120 (R2 majority)

Hong Kong (HK)

types IEC=DG WS=G WK=DGM → primary DG, single-source M
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Indonesia (ID)

voltage IEC=[110, 220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Indonesia (ID)

R5 override (PLN nominal voltage (400/230 V) – WorldStandards and Wikipedia (SNI 04-3892.1.1-2003) agree; IEC 2020 dataset listed a legacy 110 V supply): voltage: 230 → 230

Iran (IR)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Isle of Man (IM)

types IEC=CG WS=G WK=G → primary G, single-source C
voltage IEC=[240] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Israel (IL)

types IEC=H WS=CH WK=CH → primary CH

Italy (IT)

R5 override (CEI 23-50 (Italian national standard for plugs and sockets) – summary via Wikipedia, cross-checked with WorldStandards Type L page): plugTypes: ['C', 'F', 'L'] → ['C', 'F', 'L']

Japan (JP)

R5 override (Japan National Tourism Organization – Plug and electricity): plugTypes: ['A', 'B'] → ['A', 'B']; voltage: 100 → 100; frequency: [50, 60] → [50, 60]

Jersey (JE)

not in IEC dataset (R6): WS=G WK=G → G; voltage 230; [50] Hz

Kazakhstan (KZ)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Kiribati (KI)

voltage IEC=[240] WS=[240] WK=[230] → 230 (R2-harmonised harmonised-230)

Kosovo (XK)

not in IEC dataset (R6): WS=CF WK=CF → CF; voltage 230; [50] Hz

Kuwait (KW)

voltage IEC=[240] WS=[230] WK=[240] → 230 (R2-harmonised harmonised-230)

Kyrgyzstan (KG)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Lebanon (LB)

types IEC=ABCDG WS=CF WK=ABCDG → primary ABCDG, single-source F
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Lesotho (LS)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Liberia (LR)

types IEC=ABCEF WS=CDFG WK=AB → primary ABCF, single-source DEG
voltage IEC=[120, 220] WS=[230] WK=[120] → 230 (R2 tie-ws)
frequency IEC=[50, 60] WS=[50] WK=[60] → [50] (tie-ws)

Liberia (LR)

R5 override (Liberia Electricity Corporation – Specification 22 & 33 kV/LV Distribution Transformers (October 2021): 50 Hz, secondary 400 V; 120 V / 60 Hz per IEC dataset, Wikipedia and Electrical Safety First): plugTypes: ['A', 'B', 'C', 'F'] → ['A', 'B', 'C', 'F']; alsoReported: ['D', 'E', 'G'] → ['D', 'E', 'G']; voltage: 230 → [120, 230]; frequency: [50] → [50, 60]

Libya (LY)

types IEC=CDFL WS=CFL WK=CFL → primary CFL, single-source D

Lithuania (LT)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Macau (MO)

types IEC=DFGM WS=G WK=DGM → primary DGM, single-source F
voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Madagascar (MG)

types IEC=CDEJK WS=CE WK=CE → primary CE, single-source DJK
voltage IEC=[127, 220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Malaysia (MY)

types IEC=ACGM WS=G WK=CGM → primary CGM, single-source A
voltage IEC=[240] WS=[230, 240] WK=[230] → 230 (R2-harmonised harmonised-230)

Maldives (MV)

not in IEC dataset (R6): WS=CDG WK=DGJKL → DG; voltage 230; [50] Hz

Mali (ML)

not in IEC dataset (R6): WS=CE WK=CE → CE; voltage 230; [50] Hz

Malta (MT)

not in IEC dataset (R6): WS=G WK=G → G; voltage 230; [50] Hz

Marshall Islands (MH)

not in IEC dataset (R6): WS=AB WK=- → AB; voltage 120; [60] Hz

Martinique (MQ)

types IEC=CDE WS=CE WK=CE → primary CE, single-source D
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Mauritania (MR)

types IEC=C WS=CE WK=CEF → primary CE, single-source F
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Mauritius (MU)

types IEC=CG WS=CEG WK=CEG → primary CEG

Moldova (MD)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Monaco (MC)

types IEC=CDEF WS=CE WK=CE → primary CE, single-source DF

Mongolia (MN)

types IEC=CE WS=CF WK=CEF → primary CEF
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Montserrat (MS)

types IEC=AB WS=ABG WK=AB → primary AB, single-source G

Morocco (MA)

voltage IEC=[127, 220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Mozambique (MZ)

types IEC=CFM WS=CFMN WK=CFM → primary CFM, single-source N
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Myanmar (MM)

types IEC=CDFG WS=ABCDEFGI WK=ACDFGI → primary ACDFGI, single-source BE

Namibia (NA)

types IEC=DM WS=CMN WK=DM → primary DM, single-source CN
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

New Caledonia (NC)

types IEC=CF WS=CE WK=CF → primary CF, single-source E
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Niger (NE)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

North Korea (KP)

types IEC=ACF WS=CF WK=CF → primary CF, single-source A
voltage IEC=[110, 220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)
frequency IEC=[50, 60] WS=[50] WK=[50] → [50] (majority)

Oman (OM)

types IEC=CG WS=G WK=G → primary G, single-source C
voltage IEC=[240] WS=[230] WK=[240] → 230 (R2-harmonised harmonised-230)

Palestine (PS)

not in IEC dataset (R6): WS=CH WK=CH → CH; voltage 230; [50] Hz

Panama (PA)

voltage IEC=[110] WS=[120] WK=[120] → 120 (R2 majority)

Paraguay (PY)

types IEC=C WS=ABCN WK=ABCN → primary ABCN
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Peru (PE)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Philippines (PH)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Portugal (PT)

types IEC=CF WS=CF WK=CEF → primary CF, single-source E

Qatar (QA)

types IEC=DG WS=G WK=DFGL → primary DG, single-source FL

Russia (RU)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Rwanda (RW)

types IEC=CJ WS=CEFG WK=CEG → primary CEG, single-source FJ

Réunion (RE)

types IEC=E WS=CE WK=CE → primary CE
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Saint Kitts and Nevis (KN)

types IEC=ABDG WS=ABG WK=- → primary ABG, single-source D

Saint Lucia (LC)

voltage IEC=[240] WS=[230] WK=None → 230 (R2-harmonised harmonised-230)

Saint Martin (MF)

types IEC=CF WS=CE WK=CE → primary CE, single-source F
voltage IEC=[120, 220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Saint Vincent and the Grenadines (VC)

types IEC=ACEGIK WS=ABG WK=- → primary AG, single-source BCEIK
voltage IEC=[230] WS=[110, 230] WK=None → [110, 230] (R3-mixed mixed-tie-ws)
frequency IEC=[50] WS=[50, 60] WK=None → [50, 60] (tie-ws)

Saint Vincent and the Grenadines (VC)

R5 override (IEC World Plugs dataset (230 V, 50 Hz) and WorldStandards (230 V, 50 Hz; Petit Saint Vincent 110 V / 60 Hz), agreeing on the main-island figures): plugTypes: ['A', 'G'] → ['A', 'B', 'G']; alsoReported: ['B', 'C', 'E', 'I', 'K'] → ['C', 'E', 'I', 'K']; voltage: [110, 230] → 230; frequency: [50, 60] → [50]

Saudi Arabia (SA)

voltage IEC=[220, 230] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Sint Maarten (SX)

not in IEC dataset (R6): WS=AB WK=AB → AB; voltage 110; [60] Hz

Slovakia (SK)

types IEC=CE WS=CE WK=CEF → primary CE, single-source F

Solomon Islands (SB)

types IEC=GI WS=I WK=I → primary I, single-source G
voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Somalia (SO)

types IEC=C WS=CG WK=CG → primary CG
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

South Africa (ZA)

R5 override (Electrical Contractors Association (SA) – compulsory SANS 10142-1 socket-outlet regulation; SANS 164 summary): plugTypes: ['C', 'M', 'N'] → ['C', 'M', 'N']

South Korea (KR)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

South Sudan (SS)

not in IEC dataset (R6): WS=CDG WK=- → CD; voltage 230; [50] Hz

Sudan (SD)

types IEC=CD WS=CDG WK=CDFG → primary CDG, single-source F

Suriname (SR)

types IEC=CF WS=AB WK=CF → primary CF, single-source AB
voltage IEC=[127] WS=[110] WK=[127, 220, 400] → 127 (R2 majority)

Switzerland (CH)

R5 override (SN 441011 (SEV 1011) Swiss plug and socket standard – summary): plugTypes: ['C', 'J'] → ['C', 'J']

Syria (SY)

types IEC=CEL WS=CEFL WK=CEL → primary CEL, single-source F
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

São Tomé and Príncipe (ST)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Taiwan (TW)

R5 override (CNS 690 / CNS 15767 (Taiwan) – WorldStandards and Wikipedia agree with the IEC dataset on 110 V / 60 Hz, A/B): voltage: 110 → 110

Tajikistan (TJ)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Thailand (TH)

types IEC=ABCFO WS=ABCO WK=ABCO → primary ABCO, single-source F
voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Thailand (TH)

R5 override (TIS 166-2549: Plugs and socket-outlets for household and similar purposes (Thai Industrial Standards Institute, 2006)): plugTypes: ['A', 'B', 'C', 'O'] → ['A', 'B', 'C', 'O']

Timor-Leste (TL)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Togo (TG)

types IEC=C WS=CE WK=CE → primary CE
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Tonga (TO)

voltage IEC=[240] WS=[240] WK=[230] → 230 (R2-harmonised harmonised-230)

Turkey (TR)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Turkmenistan (TM)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Tuvalu (TV)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Ukraine (UA)

voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

United Arab Emirates (AE)

types IEC=DG WS=G WK=G → primary G, single-source D

United Kingdom (GB)

types IEC=G WS=G WK=DGM → primary G, single-source DM

United Kingdom (GB)

R5 override (Voltimum UK – Socket-outlets for shavers (BS 4573, BS EN 61558-2-5, BS 7671)): plugTypes: ['G'] → ['G']; alsoReported: ['D', 'M'] → ['D', 'M']

United States (US)

types IEC=AB WS=AB WK=ABEMN → primary AB, single-source EMN

Uruguay (UY)

types IEC=CFL WS=CFL WK=CFIL → primary CFL, single-source I

Uzbekistan (UZ)

types IEC=CI WS=CF WK=CEF → primary CF, single-source EI
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Vanuatu (VU)

types IEC=CGI WS=I WK=I → primary I, single-source CG
voltage IEC=[220] WS=[230] WK=[230] → 230 (R2-harmonised harmonised-230)

Vatican City (VA)

not in IEC dataset (R6): WS=CFL WK=- → CFL; voltage 230; [50] Hz

Vietnam (VN)

types IEC=ACF WS=ABC WK=ABCF → primary ABCF
voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)

Yemen (YE)

types IEC=ADG WS=CDG WK=ADG → primary ADG, single-source C
voltage IEC=[230] WS=[230] WK=[240] → 230 (R2-harmonised harmonised-230)

Zimbabwe (ZW)

voltage IEC=[220] WS=[230] WK=[220] → 230 (R2-harmonised harmonised-230)