Plugs, Sockets, Adapters and Electricity in HK
Hong Kong is an international center – it is a place where Western culture meets Eastern tradition, where skyscrapers loom over traditional markets and where millions of tourists arrive each year for both business and pleasure. Before plugging your appliance to a wall socket in Hong Kong, you must keep in mind that the city uses British-style power outlets, which means you should read this information regarding electrical current in Hong Kong – types of plugs, voltage, and kinds of adapters you may need in order to stay charged and connected.
Hong Kong Plug Types – Type G (British Standard)
The plug system in use in Hong Kong is that of the Type G plug which is officially based on British standard BS1363. It is the same plug system that is widely used in countries such as the UK, Malaysia, Singapore, and Ireland. The Hong Kong standard is just like that of the UK – no modifications needed.
Plug has three rectangular prongs with one vertical grounding prong and two horizontal live and neutral prongs. Grounding prong is longer and thicker than other prongs so that it provides grounding before the circuit is completed.
- Plug has a fuse, typically 3A or 5A. This provides protection to the appliance and the wiring inside the plug.
- Plug has a safety shutter which remains closed unless the grounding prong is inserted into the socket.
- Plug is designed in a such a way that it can only be inserted into the socket in one way which means correct polarisation is ensured.
Hong Kong sockets are also switched – they have an on/off switch on the wall plate. This is a safety feature that allows you to turn off power to the socket when not in use.
Pro tip: If you’re travelling from the UK, Singapore, Malaysia, or Ireland, your devices work directly in Hong Kong – same plug, same voltage range. No adapter needed.
What are the Features of Hong Kong Sockets?
A typical socket in Hong Kong is designed with three slots:
- Upper part (ground) – as it stands vertically and is somewhat larger than the rest.
- Lower left part (phase) – is horizontal and located on the left.
- Lower right part (zero) – is also horizontal and is found on the right side.
Type G sockets are found everywhere in Hong Kong including the different facilities of hotels, homes, and public places with no difference in usage of the different types.
Voltage and Frequency – 220V/50Hz
Hong Kong operates on 220 V (with a 220‑240V range) at 50 Hz. This is slightly lower than the UK (230V) but within the tolerance of most devices.
What this means for travellers:
- Whether you’re coming from the UK, Singapore, Malaysia, or Ireland, you can rest assured that your Type G plug will work perfectly when plugged into a Type G socket with a voltage of 230V – practically the same as 220V.
- If you’re coming from Europe or Australia, however, you’ll have to contend with a Type C/F or I plug but can still enjoy the benefits of very similar voltages (220V-240V) with the use of an adapter.
- If you’re coming from the US or Canada, you should know that you cannot use your Type A/B plug due to a large difference in voltage (120V compared to 220V) and you would therefore need both an adapter and a converter to use your appliances.
Most modern phone chargers, laptops, and tablets are dual‑voltage (100‑240V). Check the label: if it says “INPUT: 100‑240V, 50/60Hz”, you only need a plug adapter.
Do I Need a Travel Adapter for Hong Kong?
Yes – unless you already have a Type G plug. Hong Kong uses Type G sockets exclusively.
| Your Country | Your Plug Type | Need Adapter? | Need Converter? |
|---|---|---|---|
| UK / Singapore / Malaysia | Type G | ❌ No | ❌ No |
| Europe (Type C/F) | Type C/F | ✅ Yes – Type G adapter | ❌ No (same voltage) |
| Australia / NZ | Type I | ✅ Yes – Type G adapter | ❌ No (same voltage) |
| USA / Canada | Type A/B | ✅ Yes – Type G adapter | ⚠️ 120V vs 220V – need converter if not dual‑voltage |
| Japan | Type A/B | ✅ Yes – Type G adapter | ⚠️ 100V vs 220V – need converter if not dual‑voltage |
| China | Type A/C/I | ✅ Yes – Type G adapter | ❌ No (220V vs 220V – same) |
Key takeaway: If your device has a UK plug, you’re good to go. Everyone else needs a Type G plug adapter – three rectangular pins (often called a “UK‑style” adapter). A universal travel adapter with Type G pins will also work in the UK, Singapore, Malaysia, and Ireland.
5 Tips for Using Electronics in Hong Kong
- Check the voltage ratings which must say “INPUT: 100-240V”. In case it is “120V only”, then you will require a voltage converter. It is important to mention that in Hong Kong, the voltage is 220V.
- Power bank – it is important to carry one around while you are exploring the city and using navigation applications.
- Hotel power outlets – in majority of the hotels in the city, the type of power outlet used is type G. Though most of the mid and upper class hotels also have universal sockets meant for US and European plugs.
- USB sockets – in most of the advanced hotels found in Hong Kong, you will come across USB-A and USB-C sockets.
- Surge protection – though Hong Kong has an effective power supply, it would be prudent to use a surge protector.
Frequently Asked Questions (FAQ)
Are the electrical outlets in Hong Kong similar to those in the USA?
No, they are not. The electrical outlets in Hong Kong use Type G (having three rectangular pins). While the USA ones use Type A or Type B (the flat pin sockets). The two are completely different and not interchangeable. So, a Type G adaptor has to be brought along while visiting Hong Kong.
What type of electrical adaptor is required in Hong Kong?
A Type G (three rectangular pins in a triangular manner) electrical adaptor has to be used in Hong Kong and is the same as that used in the UK, Singapore, Malaysia, and Ireland.
Can American appliances be used in Hong Kong?
Yes, you need an adaptor and a converter for that. The American plugs Type A or Type B electrical appliances do not fit into the sockets in Hong Kong, hence Type G plug adaptor needs to be used. Also, while American devices operate at 120V; HK operates on 220V. If the device does not support dual-voltage (100-240V), then a voltage converter is a must. Most modern phone and laptop chargers should be dual voltage, so check the label.
What is the look of the HK plug?
The HK plug has three rectangular metal pins, that is, one vertical pin which is the earth pin towards the top and the two horizontal pins for live and neutral current at the bottom. The earth pin is longer and thicker. The body of the plug is generally made of plastic either in white or black color, showing the fuse compartment side or bottom of the plug.
Is it necessary to use a voltage converter in HK?
It is necessary if the device does not have dual-voltage option. Look for ‘INPUT: 100-240V 50/60Hz’ mentioned in the label of the device. If this is mentioned, then only a plug converter will do. If you see ‘120V only’ mentioned in the label then there is a requirement for step-down voltage conversion.
Is there power supply available in Italian hotels?
Most hotels should have Type G sockets in Hong Kong. Many 4 and 5 star hotels do offer universal sockets, convertible for use in UK/EU/Australia, although it’s not always the case.
In Hong Kong, Type G plugs function at 220V/50Hz which is the same plug and sockets as used in the UK. Thus, British, Singaporean, Malaysian tourists can plug in straight away. The tourists from Europe, Australia, and Mainland China must use a Type G plug adapter but do not require a voltage converter. Travellers coming from the USA, Canada, and Japan require both a Type G plug adapter and a voltage converter unless they come with a dual-voltage device. When you are prepared correctly, you’ll be able to keep your device charged in Hong Kong.