US power strips in Korea

Can you use a US power strip or surge protector in Korea? Check 220V first

Most power strips and surge protectors sold in the US are built for 120V and US plugs (types A/B). A power strip does not convert voltage, so if the label's rated voltage is something like 125V, it must not be plugged into Korea's 220V outlets. For use in Korea, choose a 220V-rated, KC-certified local product.

Amazon lists cheap power strips with USB-C ports. If you plan to use one in Korea, check voltage first.

Korea and the US differ

Korea — 220V, plug types C/F (two round pins)
US — 120V, plug types A/B (flat pins)

A power strip adds outlets but doesn't change voltage. Plug-shape adapters don't either.

What to check on the label

Rated voltage — "125V" means US voltage; don't plug it into 220V.
"100–240V" printed for the USB charging section doesn't cover the outlet section; check the strip's overall rating.
In Korea, use strips rated 220V with KC certification.

What joules mean

A rating like "1680 Joules" is how much surge energy the protector can absorb. Higher means more headroom — within the voltage it's designed for.

When these products make sense

The products below are Amazon (US) listings checked on this site, suited to use in the US or other 110–120V settings. For a Korean home, check the rated voltage on the label first.

amazon생활용품AEO 87

CHCORE

CHCORE 서지 프로텍터 전원 스트립 - 5피트 브레이드 코드, 8개 아울렛 + 4개 USB (2개 USB-C), 평면 플러그

✓브랜드: CHCORE
✓Amazon.com 판매가: $9.34 (확인 시각 기준)
✓브랜드 표기: CHCORE

US$9

확인 2026. 09. 15. · 확인 후 30일 경과

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amazon생활용품AEO 87

QINLIANF

QINLIANF 5 Outlet Extender Wall Charger with 4 USB Ports, Surge Protector

✓QINLIANF 5 Outlet Extender Wall Charger with 4 USB Ports, Surge Protector는 1680 Joules의 서지 보호 기능을 제공합니다.
✓이 제품은 3면 전원 스트립으로 설계되어 있습니다.
✓이 제품은 가정, 여행, 사무실에서 사용할 수 있습니다.

US$10

확인 2026. 09. 15. · 확인 후 30일 경과

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