Practical information checked on 31 October 2026. Rules, prices and interfaces can change; use the official links when making your final arrangements.
Many British travellers recognise Sri Lanka’s Type G socket immediately: it has the same three rectangular openings as a standard UK socket. However, older Type D sockets with three round openings are also encountered. Check the accommodation on your route instead of assuming every room has the same fittings.
Sri Lanka plug types, voltage and frequency
| Item | What UK travellers should know |
|---|---|
| Type G | Three rectangular pins; a normal UK Type G plug fits a compatible Type G socket. |
| Type D | Three round pins; a UK plug needs a suitable adaptor. |
| Supply | 230V, 50Hz. Check the input rating printed on each appliance. |
These plug types and supply specifications are listed by Electrical Safety First. A travel adaptor changes the physical connection; it does not convert voltage or frequency. Do not force a plug into an unsuitable socket or use an object to defeat safety shutters.
Can I use a UK phone charger or appliance?
Read the small input label on the charger or appliance itself. A charger marked INPUT 100–240V, 50/60Hz covers a 230V, 50Hz supply, although it still needs the correct plug connection. Many modern phone and laptop chargers have a wide input range, but the label on your particular product is what matters. Do not infer compatibility from the USB connector alone.
A UK appliance rated for 230V or 220–240V may be suitable for the supply, subject to the manufacturer’s instructions, its frequency rating and the socket/adaptor rating. A device bought elsewhere that accepts only a different voltage needs separate assessment. For medical equipment, contact the manufacturer and accommodation before travel rather than relying on a general travel guide.
Choosing a travel adaptor for Sri Lanka
- Check that the adaptor explicitly accepts a UK Type G plug and supports the Sri Lankan socket you expect to use. A universal label alone is not enough.
- Choose a reputable supplier and a product with a suitable current and power rating. Keep the earth connection where your appliance requires one.
- Check the total load before connecting several devices. Small USB travel adaptors are not automatically suitable for hairdryers, kettles or irons.
- Inspect the plug and adaptor for loose parts or damage. Stop using a socket that is loose, hot, sparking or otherwise unsafe and tell the hotel.
For a multi-stop holiday, a suitable adaptor for older round-pin sockets can be a useful backup even if your first hotel confirms Type G. Ask for a photograph of the actual socket if the description is unclear. A power bank is helpful on long outings, but follow your airline’s current cabin-baggage and battery rules.
Do I need to pack a voltage converter?
Do not buy a heavy converter simply because you are leaving the UK. First compare the appliance’s input rating with 230V, 50Hz. An adaptor is sufficient only when the appliance already accepts the supply and the connection is suitable. Converters have their own limits and are not a universal solution for every high-power or sensitive device. If in doubt, use equipment provided by the accommodation or seek advice from the manufacturer.
For hairdryers and styling tools, check the exact model and wattage. A hotel-provided hairdryer may save luggage space and avoid a high-power adaptor problem. Do not bring a UK extension lead with the expectation that any travel adaptor will safely power several appliances at once.
Can I buy an adaptor after arrival?
Hotels and local electrical shops may have adaptors, but availability, quality and the correct type vary. Bringing the right item from Britain is more reliable when you need to charge a phone immediately after landing. If you borrow one, inspect it and check its rating just as carefully as your own.
Before you leave the UK
- Ask each accommodation about Type G or Type D sockets.
- Check the input label on your phone, laptop and other appliances.
- Pack a suitable adaptor, charging cables and any necessary approved equipment.
- Keep one charger accessible in your hand luggage.
- For mobile data and driver contact, prepare your SIM/eSIM and WhatsApp as well.
Continue planning your trip
Return to the Sri Lanka travel preparation checklist for clothing, power, phone, money, entry and insurance advice. For a route that fits your dates, see our private tour planning guide.
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