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Costa Rica uses Type A and Type B outlets with a 120 V, 60 Hz supply. Your packing decision depends on your plug, your charger's input label and whether your equipment needs grounding.
Ethan Brooks
Updated Sep 27, 2026
7 min read

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US and Canadian visitors can usually use their standard plugs in Costa Rica. Visitors bringing UK, European, Turkish, Australian or New Zealand plugs generally need a travel adapter. Whether you need voltage conversion is a separate question: equipment marked INPUT: 100–240 V, 50/60 Hz already covers Costa Rica's supply.
Start with the devices you actually plan to bring. Phone and laptop chargers need a different assessment from a hair dryer or other high-power appliance.
Costa Rica's standard travel-relevant outlets are Type A and Type B, the familiar North American shapes.
| Electrical feature | What to expect |
|---|---|
| Type A | Two flat parallel pins; no grounding pin |
| Type B | Two flat parallel pins plus a round grounding pin |
| Nominal supply voltage | 120 V |
| Frequency | 60 Hz |
These are the Costa Rica plug and voltage specifications relevant to ordinary travel appliances.
Type A plugs fit standard Type B outlets, but a three-pin Type B plug needs the corresponding grounded outlet. Do not assume every socket in your accommodation will accept a three-pin plug.
Buildings can also have higher-voltage circuits for particular equipment. Their existence does not make a 220–240 V travel appliance suitable for an ordinary 120 V socket.
Look at the plug on your charger rather than relying only on the country where you bought your phone. Imported devices and replacement chargers may have different plugs.
| Plug you are bringing | Adapter for standard Costa Rican outlets? | Electrical check |
|---|---|---|
| Standard US or Canadian Type A/B | Usually no | Equipment must support 120 V, 60 Hz; Type B needs a grounded socket |
| UK or Irish Type G | Yes | Read the device or charger input label |
| Continental European or Turkish plugs | Yes | Read the device or charger input label |
| Australian or New Zealand Type I | Yes | Read the device or charger input label |
Buy an adapter that accepts your actual plug and has the correct Costa Rica-facing pins. “Worldwide” packaging alone does not establish that it suits your equipment.
Grounding matters. Equipment requiring an earth connection needs an adapter that preserves it and a suitable grounded outlet. Some compact two-pin adapters are intended only for double-insulated equipment, usually identified by a square-within-a-square symbol.
Never remove a grounding pin or use a two-pin adapter to bypass an appliance's earth connection. If the available outlet is unsuitable, ask the accommodation for another charging location.
You do not need a voltage converter when the equipment's stated input range includes 120 V and its frequency range includes 60 Hz. You may still need a plug adapter.
Read the label on the part that connects to mains electricity. With a laptop, that is normally its power supply; with a hair dryer, it is usually the appliance itself.
| Example input label | What it means in Costa Rica |
|---|---|
100–240 V, 50/60 Hz |
Covers the local supply; use the appropriate plug connection |
120 V, 60 Hz |
Matches the nominal local supply |
220–240 V, 50 Hz |
Does not cover the local supply; a passive adapter is insufficient |
Read INPUT, not the USB output figures. Numbers such as 5 V, 9 V or 20 V on a charger's output label describe the power delivered to the device, not the wall supply it accepts.
Voltage and frequency also remain separate. A transformer or converter should not be assumed to change 60 Hz into 50 Hz.
If your equipment is incompatible, follow the manufacturer's instructions before considering conversion equipment. Using a suitable local appliance or leaving a nonessential item at home is often the more practical travel choice.
Phone, laptop and camera chargers may accept a wide input range, but the label on each unit is the deciding evidence. Do not extend the rating of one charger to every accessory in your bag.
Once mains compatibility is established, match the charger's output and cable to the device. A phone charger and a laptop charger may use similar-looking connectors while providing different amounts of power.
Charging compatibility is also separate from mobile-network compatibility. Before relying on your phone for bookings and directions, check whether your phone will work in Costa Rica, including carrier locks and eSIM support.
If you have chosen a Costa Rica eSIM, install it over Wi-Fi before departure while your phone has enough charge to complete setup. Keep the charging equipment accessible in your day bag so you can use it during the journey.
Hair tools deserve their own label check. Some support multiple voltages; others are made for the supply in their original market. The same brand can sell models with different electrical requirements.
With a manually switchable dual-voltage appliance, follow its instructions for selecting the correct setting before connection. With a single-voltage 220–240 V model, a plug adapter alone does not make it compatible with Costa Rica's ordinary outlets.
The adapter must also be rated for the appliance's load at the voltage being used. A travel adapter that handles a phone charger is not automatically appropriate for a powerful hair dryer.
Rather than packing conversion equipment for a nonessential appliance, ask whether your accommodation provides a suitable hair dryer. If bringing your own is essential, confirm compatibility for the exact model with its manufacturer.
Keep charging equipment on a dry, stable surface. Avoid damaged sockets, loose connections, discoloured plugs or cables with exposed wiring, and stop using equipment that smells burnt or makes buzzing or crackling sounds. These are practical electrical checks for travel accommodation.
Bring your own wall charger instead of depending entirely on hotel USB ports. The port type, availability and charging output are property-specific. If you need to charge several devices, a compatible multiport charger can simplify your setup, provided its total output meets their needs.
Before a drive between destinations, charge your phone and arrange a way to keep it powered. Rental-car USB ports and power outlets vary, so match your cable or in-car charger to the actual vehicle. Keep a charged power bank available for stops away from the car.
Power preparation belongs alongside planning your Costa Rica drive and navigation. Save useful route information before setting off, and connect your charging cable while parked.
Build a small charging kit around the devices you will use:
Compatible wall chargers: input ratings that cover 120 V, 60 Hz, with suitable output for each device.
The necessary plug adapter: matched to your plug, load and grounding requirements.
Device cables: including the cable you intend to use in a rental car.
A charged power bank: useful during longer transfers and days away from your accommodation.
Photograph any hard-to-read input labels before packing, particularly on hair tools or less familiar chargers. Resolve an unclear rating before travel rather than trying the appliance on arrival.
Once charging is sorted, decide how the phone will get mobile data. You can compare eSIM options for Costa Rica by allowance, validity and coverage needs before choosing a plan.