Northern Mariana Islands power plugs and voltage
You will need a travel adapter
Northern Mariana Islands uses Type A and Type B sockets at 120 V / 60 Hz. Pick the country you are travelling from to see exactly what you need.
- Plug types
- A / B 2 socket types in use
- Voltage
- 120 V Low-voltage grid (100–127 V)
- Frequency
- 60 Hz 60 Hz — Americas, parts of Asia
- National standard
- NEMA 1-15 / 5-15 Grid reliability: Good
Where your plug will also work
All countries →These countries use at least one of the same socket types as Northern Mariana Islands, so an adapter bought for this trip often works there too.
What the sockets look like
Power in Northern Mariana Islands
The Northern Mariana Islands, a U.S. commonwealth in the western Pacific Ocean, has a power infrastructure that aligns with U.S. standards. Northern Mariana Islands uses Type A and Type B power plugs. The standard voltage is 120 V and the supply frequency is 60 Hz. While the islands rely heavily on diesel generators for power, there is a growing emphasis on renewable energy, particularly solar power. The power grid is generally reliable, though occasional outages can occur due to the islands' remote location and susceptibility to tropical storms. Efforts are underway to improve energy efficiency and sustainability in the region.
Recommended gear
Adapters & converters →
EPICKA 75 W GaN universal travel adapter
One block that covers US, UK, EU and Australian sockets, with 75 W of USB-C charging — enough for a laptop without carrying its power brick.
- Plugs for US / UK / EU / AU sockets
- 3× USB-C (75 W total) + 2× USB-A
- Universal AC socket, fused, up to 2000 W
- About 250 g
It does not convert voltage. A 120 V appliance still gets 230 V in Europe, whatever adapter you use.
Best for: Phones, laptops, cameras, tablets and anything dual-voltage.
Check price on AmazonOn a budget? A single-purpose adapter for Northern Mariana Islands sockets costs a fraction of the universal block — it does the same job, but only for this one socket type.

Fits American and Japanese flat-pin sockets. For visitors from Europe, the UK, Australia or India.
Check price on Amazon ↗As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links — they cost you nothing extra and never change what we recommend.