Can I Use My CPAP Machine in South Korea?
Yes — with an adapter.
Your device handles this country's voltage, but the plug shape is different. You need a plug adapter to fit the sockets here. A plug adapter only changes the shape — it does not change voltage, and that's fine in this case because your device already supports the local voltage.
The short answer
Most modern CPAP machines are dual-voltage (100–240V) and need only a plug adapter — but as a medical device, never assume: confirm the exact label and check whether your heated humidifier is frequency-sensitive. Bring the manufacturer's travel power supply, consider a battery pack for flights, and avoid cheap voltage converters that output a non-pure sine wave.
South Korea runs 220V at 60Hz. South Korea runs 220V at 60Hz with European-style Type C/F sockets, which often surprises US visitors. US single-voltage devices need a converter.
CPAP Machine in South Korea at a glance
| Device voltage profile | dual |
|---|---|
| Typical wattage | 30–90W |
| Destination voltage | 220V (220–220V) |
| Destination frequency | 60Hz |
| Destination plug types | Type C, F |
| Voltage mismatch | 120V → 220V = +100V |
| Verdict | Plug adapter needed |
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FAQ
Will a travel adapter let me use my CPAP machine in South Korea?
South Korea sockets use Type C/F. Yes — you need a Type C/F plug adapter for the shape.
Do I need a voltage converter for a CPAP machine in South Korea?
No. If your CPAP machine is dual-voltage (100–240V), you don't need a converter in South Korea.
What plug type does South Korea use?
South Korea uses Type C, F sockets at 220V / 60Hz.
Adapter vs converter explained
Guidance only — not professional electrical advice. Always confirm against your device's label before plugging in. Local wiring (especially in hotels and older buildings) can vary.