Electrical outlets around the world: The complete guide. Where will your plug work without an adapter?

2026-04-10

Are you planning a holiday in an exotic country, or have you just received a bargain electrical device from a courier? The world of electrical standards is a maze. Whether you are packing your suitcase, planning a full apartment renovation, or looking for electronics in foreign stores, it is worth knowing what is “buzzing in the wall.”

Because although the electricity in sockets is (usually) the same, the ways it is “delivered” differ dramatically. In this article, we explain which outlets dominate in Poland, which countries are compatible with us, and where you simply cannot do without an adapter.

Polish standard: What is worth knowing during a renovation?

In Poland, French sockets (Type E) dominate – the ones with the characteristic grounding pin. However, during renovation, we increasingly face a choice: stick with the classic, or invest in the Schuko system (Type F), popular in Germany. It is also worth mentioning Type C, which, although rare as a standalone socket, dominates in our plugs.

Type E (French): The standard in Poland. It enforces one plug position, which is important for some types of gas boilers or older power supplies.
Type F (Schuko): Instead of a pin, it has side clips. It is becoming increasingly popular in new construction because it allows the plug to be inserted in any orientation (it can be rotated by 180°).
Type C (Europlug): This is the most basic flat socket without grounding (two holes without a pin and without clips). Although in new installations almost only grounded sockets (E or F) are installed, the Type C plug is the most common one in our homes – it powers phone chargers, lamps, and small household appliances.

Renovation tip

If you are buying equipment for the whole house, check whether your appliances have hybrid plugs (with a hole and side notches). They fit E and F sockets, so the choice mainly depends on your aesthetic preferences and convenience.

The great outlet alphabet: From A to N. Everything you need to know

Whether you are renovating an apartment or packing a suitcase for Asia, plug standards can make your head spin. Here is a complete overview of the most popular outlet types you will encounter around the world.

Type A and B – The American duo (USA, Canada, Japan)

These are standards based on flat pins.

Type A: Two flat, parallel pins. No grounding.
Type B: Two flat pins plus a round grounding pin at the bottom.

Compatibility with Poland: None. You need an adapter.

Watch the voltage

In these countries, the mains supply is usually 110-120V. Check whether your device (e.g. a hair dryer) can handle it!

Type C – European "Europlug"

The most minimalist plug in the world.

Appearance: Two thin, round pins.
Where it is used: Almost all of Europe (except the UK), a large part of Asia and Africa.

Compatibility with Poland: This is our standard “flat” charger plug. It fits most outlets in the world (except flat A/B/I systems).

Type D – The old Brit (India, Sri Lanka, Nepal)

The predecessor of the current British standard.

Appearance: Three large, round pins arranged in a triangle.

Compatibility with Poland: None. Adapter required. Often confused with Type M (South Africa).

Type E – “Our” French standard (Poland, France, Belgium)

This is what we have in the walls of most Polish homes.

Appearance: Two holes and one metal grounding pin protruding from the socket.
Advantage: It enforces polarity (the plug cannot be inserted the other way around).

Type F – German "Schuko" (Germany, Austria, Spain)

The most popular system in Western and Northern Europe.

Appearance: Instead of a pin, it has two metal clips on the edges of the socket.

Compatibility with Poland: Full, as long as you use modern hybrid plugs (with a hole for the pin and side notches).

Type G – The British fortress (UK, Ireland, Cyprus, Malta, Dubai)

Considered the safest (and bulkiest) sockets in the world.

Appearance: Three rectangular, thick pins. Sockets often have their own switches.

Compatibility with Poland: None. An adapter is absolutely essential.

Type H – Israeli unique type (Israel)

Found only there.

Appearance: Three pins arranged in the shape of the letter Y (formerly flat, now round).

Compatibility with Poland: A flat charger plug (Type C) will usually fit, but a round grounded plug (Type E) requires an adapter.

Type I – The angled standard (Australia, New Zealand, China, Argentina)

Appearance: Two flat pins set at an angle (letter V) and optionally a vertical grounding pin.

Compatibility with Poland: None. Adapter necessary.

Type J – Swiss precision (Switzerland, Liechtenstein)

It looks almost like a Polish socket, but the devil is in the details.

Appearance: Three round holes forming a very flattened triangle.

Compatibility with Poland: A flat charger plug will fit without a problem. A large round plug (e.g. from a laptop) will not fit – the central grounding pin in Switzerland is in a different place than our hole.

Type K – Danish "smile" (Denmark, Greenland)

The friendliest socket in the world.

Appearance: The holes are arranged so that the socket looks like a smiling face (the third grounding pin is the “smile”).

Compatibility with Poland: A Polish plug (even a round one) will fit inside, but grounding will not work. For safety with more powerful equipment, it is worth having an adapter.

Type L – Italian line (Italy, Chile)

Italian design in an electrical version.

Appearance: Three round holes arranged in one straight line.

Compatibility with Poland: A flat plug (charger) fits. Thick round plugs require an adapter. In modern hotels in Italy, “Bipasso” sockets are often already installed, accepting both standards.

Type M – Big brother of Type D (South Africa, Lesotho, Namibia, India)

If Type D seemed large to you, Type M is its more powerful version.

Appearance: Three huge, round pins arranged in a triangle. The middle pin (grounding) is much thicker and longer than the others.

Compatibility with Poland: None. Worse still, Type M is so massive that many cheap “universal adapters” do not include it. If you are going to South Africa, make sure your adapter clearly supports this standard.

Type N – Brazilian standard of the future (Brazil, South Africa)

This is one of the most modern standards in the world (developed as the international standard IEC 60906-1), which was supposed to unify the world, but so far has been adopted only in a few places.

Appearance: It closely resembles the Swiss standard (Type J). It has two round holes and a grounding pin placed in the middle, but only slightly offset from the axis (closer to the center than in Switzerland).

Compatibility with Poland: Partial. Our flat plug (Type C) fits it perfectly. However, Polish round grounded plugs (Type E/F) are too wide and will not fit into a Type N socket – here an adapter will be essential.

Europe: Where will your plug work “right away”?

The good news is that when traveling around Europe, in most cases you will manage without an adapter.

Country / Region	Socket type	Flat plug (e.g. charger)	Round plug (e.g. laptop)	Is an adapter needed?
Germany, Austria, Spain, Croatia, Scandinavia	Type F (Schuko)	YES	YES	NO
France, Belgium, Czech Republic, Slovakia	Type E (French)	YES	YES	NO (same as in PL)
United Kingdom, Ireland, Malta, Cyprus	Type G	NO	NO	YES
Italy	Type L	YES	USUALLY NO	OFTEN (for large plugs)
Switzerland, Liechtenstein	Type J	YES	NO	YES (for large plugs)
Denmark, Greenland	Type K	YES	YES	OPTIONAL
Greece, Portugal, Hungary, Romania	Type F / C	YES	YES	NO

FIND SOCKETS FOR HOME

FAQ

What is the difference between a French socket and a German one (Schuko)?

A French socket (popular in Poland) has a protruding metal pin. A German socket (Schuko) has metal clips on the edges instead. Most modern plugs are hybrid and fit both systems.

What sockets are used in Croatia and Greece?

In both countries, European sockets (Type C and F) are the standard. Your Polish devices, both those with flat and round plugs, will work without any adapters.

What adapter do I need for a socket in Turkey and Egypt?

These countries use European standards. In most hotels and apartments, you will find sockets identical to those in Poland. No adapter is needed.

What sockets are used in England and do I need an adapter?

In the United Kingdom, Type G applies (three thick, rectangular pins). A Polish plug does not physically fit it, so an adapter is essential. Remember that British sockets often have their own switch on the housing.

Does a Polish plug fit sockets in Italy?

Flat plugs (e.g. a phone charger plug) fit without a problem. However, large round grounded plugs require an adapter for the Italian Type L (three pins in one line), unless universal sockets have been installed in the hotel.

What adapter should I take to the USA and will my devices work there?

You need an adapter for Type A or B (flat pins). The key thing is voltage: in the USA it is 110V. Check whether your device says “Input: 100-240V” – if so, just the adapter is enough. If it only says “230V” – the device may not work or may be damaged.

Does a Polish plug fit sockets in Dubai (UAE)?

No. In Dubai, the British system (Type G) is the standard. To charge Polish devices, you must have an adapter.

Will a universal travel adapter work in every country?

“World Travel” type adapters support about 150 countries (standards A, C, G, I). However, they may not fit in places with very specific sockets, such as South Africa (Type M) or India (Type D).

Will a “Shaver Only” socket in a hotel bathroom charge a phone?

Yes, a phone charger draws little power and should work. However, remember that these sockets are intended only for low-power devices – never plug a hair dryer into one, or you will blow the fuse.